diff --git a/core/assets/vendor/modernizr/modernizr.js b/core/assets/vendor/modernizr/modernizr.js
index 120bd4f244276303672b343358ab2bea3c1a16f5..db59917def314783bada04294a27b8ad6b6007dc 100644
--- a/core/assets/vendor/modernizr/modernizr.js
+++ b/core/assets/vendor/modernizr/modernizr.js
@@ -1,5 +1,5 @@
-/* Modernizr 2.6.2 (Custom Build) | MIT & BSD
- * Build: http://modernizr.com/download/#-inputtypes-svg-touch-cssclasses-addtest-teststyles-prefixes-elem_details
+/* Modernizr 2.8.3 (Custom Build) | MIT & BSD
+ * Build: http://modernizr.com/download/#-inputtypes-touch-cssclasses-addtest-teststyles-prefixes-elem_details
  */
 ;
 
@@ -7,7 +7,7 @@
 
 window.Modernizr = (function( window, document, undefined ) {
 
-    var version = '2.6.2',
+    var version = '2.8.3',
 
     Modernizr = {},
 
@@ -28,7 +28,6 @@ window.Modernizr = (function( window, document, undefined ) {
     prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
 
 
-    ns = {'svg': 'http://www.w3.org/2000/svg'},
 
     tests = {},
     inputs = {},
@@ -181,9 +180,6 @@ window.Modernizr = (function( window, document, undefined ) {
 
         return bool;
     };
-    tests['svg'] = function() {
-        return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect;
-    };
     function webforms() {
                             Modernizr['inputtypes'] = (function(props) {
 
@@ -301,4 +297,4 @@ Modernizr.addTest('details', function() {
     root.removeChild(el);
     fake && root.parentNode.removeChild(root);
     return diff;
-});;
+});;
\ No newline at end of file
diff --git a/core/assets/vendor/modernizr/modernizr.min.js b/core/assets/vendor/modernizr/modernizr.min.js
index 7ac04a5f3e3300ca44318f0579113f58e042b803..619035afb59006040e23c60d10e21052945994fc 100644
--- a/core/assets/vendor/modernizr/modernizr.min.js
+++ b/core/assets/vendor/modernizr/modernizr.min.js
@@ -1,4 +1,4 @@
-/* Modernizr 2.6.2 (Custom Build) | MIT & BSD
- * Build: http://modernizr.com/download/#-inputtypes-svg-touch-cssclasses-addtest-teststyles-prefixes-elem_details
+/* Modernizr 2.8.3 (Custom Build) | MIT & BSD
+ * Build: http://modernizr.com/download/#-inputtypes-touch-cssclasses-addtest-teststyles-prefixes-elem_details
  */
-;window.Modernizr=function(a,b,c){function y(a){j.cssText=a}function z(a,b){return y(n.join(a+";")+(b||""))}function A(a,b){return typeof a===b}function B(a,b){return!!~(""+a).indexOf(b)}function C(a,b,d){for(var e in a){var f=b[a[e]];if(f!==c)return d===!1?a[e]:A(f,"function")?f.bind(d||b):f}return!1}function D(){e.inputtypes=function(a){for(var d=0,e,f,h,i=a.length;d<i;d++)k.setAttribute("type",f=a[d]),e=k.type!=="text",e&&(k.value=l,k.style.cssText="position:absolute;visibility:hidden;",/^range$/.test(f)&&k.style.WebkitAppearance!==c?(g.appendChild(k),h=b.defaultView,e=h.getComputedStyle&&h.getComputedStyle(k,null).WebkitAppearance!=="textfield"&&k.offsetHeight!==0,g.removeChild(k)):/^(search|tel)$/.test(f)||(/^(url|email)$/.test(f)?e=k.checkValidity&&k.checkValidity()===!1:e=k.value!=l)),q[a[d]]=!!e;return q}("search tel url email datetime date month week time datetime-local number range color".split(" "))}var d="2.6.2",e={},f=!0,g=b.documentElement,h="modernizr",i=b.createElement(h),j=i.style,k=b.createElement("input"),l=":)",m={}.toString,n=" -webkit- -moz- -o- -ms- ".split(" "),o={svg:"http://www.w3.org/2000/svg"},p={},q={},r={},s=[],t=s.slice,u,v=function(a,c,d,e){var f,i,j,k,l=b.createElement("div"),m=b.body,n=m||b.createElement("body");if(parseInt(d,10))while(d--)j=b.createElement("div"),j.id=e?e[d]:h+(d+1),l.appendChild(j);return f=["&#173;",'<style id="s',h,'">',a,"</style>"].join(""),l.id=h,(m?l:n).innerHTML+=f,n.appendChild(l),m||(n.style.background="",n.style.overflow="hidden",k=g.style.overflow,g.style.overflow="hidden",g.appendChild(n)),i=c(l,a),m?l.parentNode.removeChild(l):(n.parentNode.removeChild(n),g.style.overflow=k),!!i},w={}.hasOwnProperty,x;!A(w,"undefined")&&!A(w.call,"undefined")?x=function(a,b){return w.call(a,b)}:x=function(a,b){return b in a&&A(a.constructor.prototype[b],"undefined")},Function.prototype.bind||(Function.prototype.bind=function(b){var c=this;if(typeof c!="function")throw new TypeError;var d=t.call(arguments,1),e=function(){if(this instanceof e){var a=function(){};a.prototype=c.prototype;var f=new a,g=c.apply(f,d.concat(t.call(arguments)));return Object(g)===g?g:f}return c.apply(b,d.concat(t.call(arguments)))};return e}),p.touch=function(){var c;return"ontouchstart"in a||a.DocumentTouch&&b instanceof DocumentTouch?c=!0:v(["@media (",n.join("touch-enabled),("),h,")","{#modernizr{top:9px;position:absolute}}"].join(""),function(a){c=a.offsetTop===9}),c},p.svg=function(){return!!b.createElementNS&&!!b.createElementNS(o.svg,"svg").createSVGRect};for(var E in p)x(p,E)&&(u=E.toLowerCase(),e[u]=p[E](),s.push((e[u]?"":"no-")+u));return e.input||D(),e.addTest=function(a,b){if(typeof a=="object")for(var d in a)x(a,d)&&e.addTest(d,a[d]);else{a=a.toLowerCase();if(e[a]!==c)return e;b=typeof b=="function"?b():b,typeof f!="undefined"&&f&&(g.className+=" "+(b?"":"no-")+a),e[a]=b}return e},y(""),i=k=null,e._version=d,e._prefixes=n,e.testStyles=v,g.className=g.className.replace(/(^|\s)no-js(\s|$)/,"$1$2")+(f?" js "+s.join(" "):""),e}(this,this.document),Modernizr.addTest("details",function(){var a=document,b=a.createElement("details"),c,d,e;return"open"in b?(d=a.body||function(){var b=a.documentElement;return c=!0,b.insertBefore(a.createElement("body"),b.firstElementChild||b.firstChild)}(),b.innerHTML="<summary>a</summary>b",b.style.display="block",d.appendChild(b),e=b.offsetHeight,b.open=!0,e=e!=b.offsetHeight,d.removeChild(b),c&&d.parentNode.removeChild(d),e):!1});
+;window.Modernizr=function(a,b,c){function x(a){j.cssText=a}function y(a,b){return x(n.join(a+";")+(b||""))}function z(a,b){return typeof a===b}function A(a,b){return!!~(""+a).indexOf(b)}function B(a,b,d){for(var e in a){var f=b[a[e]];if(f!==c)return d===!1?a[e]:z(f,"function")?f.bind(d||b):f}return!1}function C(){e.inputtypes=function(a){for(var d=0,e,f,h,i=a.length;d<i;d++)k.setAttribute("type",f=a[d]),e=k.type!=="text",e&&(k.value=l,k.style.cssText="position:absolute;visibility:hidden;",/^range$/.test(f)&&k.style.WebkitAppearance!==c?(g.appendChild(k),h=b.defaultView,e=h.getComputedStyle&&h.getComputedStyle(k,null).WebkitAppearance!=="textfield"&&k.offsetHeight!==0,g.removeChild(k)):/^(search|tel)$/.test(f)||(/^(url|email)$/.test(f)?e=k.checkValidity&&k.checkValidity()===!1:e=k.value!=l)),p[a[d]]=!!e;return p}("search tel url email datetime date month week time datetime-local number range color".split(" "))}var d="2.8.3",e={},f=!0,g=b.documentElement,h="modernizr",i=b.createElement(h),j=i.style,k=b.createElement("input"),l=":)",m={}.toString,n=" -webkit- -moz- -o- -ms- ".split(" "),o={},p={},q={},r=[],s=r.slice,t,u=function(a,c,d,e){var f,i,j,k,l=b.createElement("div"),m=b.body,n=m||b.createElement("body");if(parseInt(d,10))while(d--)j=b.createElement("div"),j.id=e?e[d]:h+(d+1),l.appendChild(j);return f=["&#173;",'<style id="s',h,'">',a,"</style>"].join(""),l.id=h,(m?l:n).innerHTML+=f,n.appendChild(l),m||(n.style.background="",n.style.overflow="hidden",k=g.style.overflow,g.style.overflow="hidden",g.appendChild(n)),i=c(l,a),m?l.parentNode.removeChild(l):(n.parentNode.removeChild(n),g.style.overflow=k),!!i},v={}.hasOwnProperty,w;!z(v,"undefined")&&!z(v.call,"undefined")?w=function(a,b){return v.call(a,b)}:w=function(a,b){return b in a&&z(a.constructor.prototype[b],"undefined")},Function.prototype.bind||(Function.prototype.bind=function(b){var c=this;if(typeof c!="function")throw new TypeError;var d=s.call(arguments,1),e=function(){if(this instanceof e){var a=function(){};a.prototype=c.prototype;var f=new a,g=c.apply(f,d.concat(s.call(arguments)));return Object(g)===g?g:f}return c.apply(b,d.concat(s.call(arguments)))};return e}),o.touch=function(){var c;return"ontouchstart"in a||a.DocumentTouch&&b instanceof DocumentTouch?c=!0:u(["@media (",n.join("touch-enabled),("),h,")","{#modernizr{top:9px;position:absolute}}"].join(""),function(a){c=a.offsetTop===9}),c};for(var D in o)w(o,D)&&(t=D.toLowerCase(),e[t]=o[D](),r.push((e[t]?"":"no-")+t));return e.input||C(),e.addTest=function(a,b){if(typeof a=="object")for(var d in a)w(a,d)&&e.addTest(d,a[d]);else{a=a.toLowerCase();if(e[a]!==c)return e;b=typeof b=="function"?b():b,typeof f!="undefined"&&f&&(g.className+=" "+(b?"":"no-")+a),e[a]=b}return e},x(""),i=k=null,e._version=d,e._prefixes=n,e.testStyles=u,g.className=g.className.replace(/(^|\s)no-js(\s|$)/,"$1$2")+(f?" js "+r.join(" "):""),e}(this,this.document),Modernizr.addTest("details",function(){var a=document,b=a.createElement("details"),c,d,e;return"open"in b?(d=a.body||function(){var b=a.documentElement;return c=!0,b.insertBefore(a.createElement("body"),b.firstElementChild||b.firstChild)}(),b.innerHTML="<summary>a</summary>b",b.style.display="block",d.appendChild(b),e=b.offsetHeight,b.open=!0,e=e!=b.offsetHeight,d.removeChild(b),c&&d.parentNode.removeChild(d),e):!1});
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diff --git a/core/misc/icons/000000/barchart.png b/core/misc/icons/000000/barchart.png
deleted file mode 100644
index a2a9f41991d7321432aa12775a40339f8bdd2adb..0000000000000000000000000000000000000000
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deleted file mode 100644
index e5c792a5dbc0c700aab575c5c70899af7d7483e9..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/bebebe/move.png b/core/misc/icons/bebebe/move.png
deleted file mode 100644
index 90205458ad3678a18a1c9ae0382a0f1b6fe6c7af..0000000000000000000000000000000000000000
--- a/core/misc/icons/bebebe/move.png
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diff --git a/core/misc/icons/bebebe/pencil.png b/core/misc/icons/bebebe/pencil.png
deleted file mode 100644
index 679e0b14031c7cbe7596271d8b0e16f41d2989a7..0000000000000000000000000000000000000000
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index 34ac3489fa9676b9a4134270ef2a6657e4e870c7..0000000000000000000000000000000000000000
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deleted file mode 100644
index 7870c857e6c1234239e88860e9559c4e38488be0..0000000000000000000000000000000000000000
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deleted file mode 100644
index a2bbcbb505bfc5f5f8ad1a606a3234d9eb9611cc..0000000000000000000000000000000000000000
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deleted file mode 100644
index 278b8d5d405aa8e92544456cfdc871a52716cb98..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/bebebe/questionmark-disc.png b/core/misc/icons/bebebe/questionmark-disc.png
deleted file mode 100644
index 76e00230d45025fe5020911091e2b06545debcea..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/bebebe/star-empty.png b/core/misc/icons/bebebe/star-empty.png
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index d84df7a210ac3e993447aecf2d9a4ae0c2ee33e6..0000000000000000000000000000000000000000
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deleted file mode 100755
index 4b2d979dad741a422d9b480e169a8c70dcdbe9fb..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/ea2800/error.png b/core/misc/icons/ea2800/error.png
deleted file mode 100755
index 183e853aa8fffb2d0e7f69b7967844135bc966c7..0000000000000000000000000000000000000000
--- a/core/misc/icons/ea2800/error.png
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diff --git a/core/misc/icons/ffffff/hamburger.png b/core/misc/icons/ffffff/hamburger.png
deleted file mode 100644
index 8373f19456762240704587b8b1b3f05241106273..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/ffffff/house.png b/core/misc/icons/ffffff/house.png
deleted file mode 100644
index 63aea460eaafba7c5f8a3bde9f66f689312791e5..0000000000000000000000000000000000000000
--- a/core/misc/icons/ffffff/house.png
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diff --git a/core/misc/icons/ffffff/pencil.png b/core/misc/icons/ffffff/pencil.png
deleted file mode 100644
index 6bf12db72db3dfc39b870a01f051a5b518db58a2..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/ffffff/person.png b/core/misc/icons/ffffff/person.png
deleted file mode 100644
index 2d37cdd67fede20981179897325507ffdf40a066..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/ffffff/questionmark-disc.png b/core/misc/icons/ffffff/questionmark-disc.png
deleted file mode 100644
index f3b560e7bd1b60e65160a32fec9fc9e849918a21..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/ffffff/star-empty.png b/core/misc/icons/ffffff/star-empty.png
deleted file mode 100644
index f6e02718a338d525aa85da9d2c28c7cbdaf39e33..0000000000000000000000000000000000000000
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diff --git a/core/misc/icons/ffffff/star.png b/core/misc/icons/ffffff/star.png
deleted file mode 100644
index 55cd3a64cc92ca6c154324b718df427286da0bc2..0000000000000000000000000000000000000000
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\ No newline at end of file
diff --git a/core/modules/contextual/css/contextual.icons.css b/core/modules/contextual/css/contextual.icons.css
index 2a755ca568feef022ca274df74ce99d648e93d1a..03beeb6202db9a302750c97074a08e30392f5b50 100644
--- a/core/modules/contextual/css/contextual.icons.css
+++ b/core/modules/contextual/css/contextual.icons.css
@@ -9,17 +9,10 @@
 .toolbar-bar .toolbar-icon-edit:before {
   background-image: url("../../../misc/icons/bebebe/pencil.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-edit:before {
-  background-image: url("../../../misc/icons/bebebe/pencil.png");
-}
 .toolbar-bar .toolbar-icon-edit:active:before,
 .toolbar-bar .toolbar-icon-edit.active:before {
   background-image: url("../../../misc/icons/ffffff/pencil.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-edit:active:before,
-.no-svg .toolbar-bar .toolbar-icon-edit.active:before {
-  background-image: url("../../../misc/icons/ffffff/pencil.png");
-}
 
 /**
  * Contextual trigger.
@@ -34,17 +27,9 @@
   /* Override the .focusable height: auto */
   width: 28px !important;
   text-indent: -9999px;
-
-}
-.no-svg .contextual .trigger {
-  background-image: url("../../../misc/icons/bebebe/pencil.png");
 }
 
 .contextual .trigger:focus,
 .contextual .trigger:hover {
   background-image: url("../../../misc/icons/787878/pencil.svg");
 }
-.no-svg .contextual .trigger:focus,
-.no-svg .contextual .trigger:hover {
-  background-image: url("../../../misc/icons/787878/pencil.png");
-}
diff --git a/core/modules/dblog/css/dblog.module.css b/core/modules/dblog/css/dblog.module.css
index af6036e29a9c6b69cedb4c409735a100abb2426e..d1820f8e39f0c1a27727609c3a36765104b8ce17 100644
--- a/core/modules/dblog/css/dblog.module.css
+++ b/core/modules/dblog/css/dblog.module.css
@@ -29,18 +29,9 @@
 .admin-dblog .dblog-warning .icon {
   background-image: url(../../../misc/icons/e29700/warning.svg);
 }
-.no-svg .admin-dblog .dblog-warning .icon {
-  background-image: url(../../../misc/icons/e29700/warning.png);
-}
 .admin-dblog .dblog-error .icon,
 .admin-dblog .dblog-critical .icon,
 .admin-dblog .dblog-alert .icon,
 .admin-dblog .dblog-emergency .icon {
   background-image: url(../../../misc/icons/ea2800/error.svg);
 }
-.no-svg .admin-dblog .dblog-error .icon,
-.no-svg .admin-dblog .dblog-critical .icon,
-.no-svg .admin-dblog .dblog-alert .icon,
-.no-svg .admin-dblog .dblog-emergency .icon {
-  background-image: url(../../../misc/icons/ea2800/error.png);
-}
diff --git a/core/modules/shortcut/css/shortcut.icons.css b/core/modules/shortcut/css/shortcut.icons.css
index 143b1158a55e6a005acf182aa7a2bdee5de05a09..4f25fc678d0c7b739add58c9b8a56c7a0c7347d4 100644
--- a/core/modules/shortcut/css/shortcut.icons.css
+++ b/core/modules/shortcut/css/shortcut.icons.css
@@ -9,17 +9,10 @@
 .toolbar-bar .toolbar-icon-shortcut:before {
   background-image: url("../../../misc/icons/bebebe/star.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-shortcut:before {
-  background-image: url("../../../misc/icons/bebebe/star.png");
-}
 .toolbar-bar .toolbar-icon-shortcut:active:before,
 .toolbar-bar .toolbar-icon-shortcut.active:before {
   background-image: url("../../../misc/icons/ffffff/star.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-shortcut:active:before,
-.no-svg .toolbar-bar .toolbar-icon-shortcut.active:before {
-  background-image: url("../../../misc/icons/ffffff/star.png");
-}
 
 /**
  * Add/remove links.
@@ -29,9 +22,6 @@
   width: 20px;
   height: 20px;
 }
-.no-svg .add-or-remove-shortcuts .icon {
-  background-image: url('../images/favstar.png');
-}
 .add-shortcut a:hover .icon,
 .add-shortcut a:focus .icon {
   background-position: -20px top;
diff --git a/core/modules/system/css/system.admin.css b/core/modules/system/css/system.admin.css
index f62af51e78c3d273b9453bfe4a3b1ee83a8dfecb..a4024f456f98748f953456bb3c5e9f9892bdc701 100644
--- a/core/modules/system/css/system.admin.css
+++ b/core/modules/system/css/system.admin.css
@@ -149,21 +149,12 @@ a.module-link {
 a.module-link-help {
   background: url(../../../misc/icons/787878/questionmark-disc.svg) 0 50% no-repeat;
 }
-.no-svg a.module-link-help {
-  background: url(../../../misc/icons/787878/questionmark-disc.png) 0 50% no-repeat;
-}
 a.module-link-permissions {
   background: url(../../../misc/icons/787878/key.svg) 0 50% no-repeat;
 }
-.no-svg a.module-link-permissions {
-  background: url(../../../misc/icons/787878/key.png) 0 50% no-repeat;
-}
 a.module-link-configure {
   background: url(../../../misc/icons/787878/cog.svg) 0 50% no-repeat;
 }
-.no-svg a.module-link-configure {
-  background: url(../../../misc/icons/787878/cog.png) 0 50% no-repeat;
-}
 
 /**
  * Status report.
@@ -191,15 +182,9 @@ table.system-status-report td.status-icon div {
 table.system-status-report tr.error td.status-icon div {
   background-image: url(../../../misc/icons/ea2800/error.svg);
 }
-.no-svg table.system-status-report tr.error td.status-icon div {
-  background-image: url(../../../misc/icons/ea2800/error.png);
-}
 table.system-status-report tr.warning td.status-icon div {
   background-image: url(../../../misc/icons/e29700/warning.svg);
 }
-.no-svg table.system-status-report tr.warning td.status-icon div {
-  background-image: url(../../../misc/icons/e29700/warning.png);
-}
 table.system-status-report .status-title {
   width: 25%;
 }
diff --git a/core/modules/system/css/system.module.css b/core/modules/system/css/system.module.css
index dc4a0d07b9bb159cd9932ba742f1bb893a818f3d..58631328a3463c8e2c4aa9bbd9c121bdc76bfd4e 100644
--- a/core/modules/system/css/system.module.css
+++ b/core/modules/system/css/system.module.css
@@ -114,17 +114,10 @@ a.tabledrag-handle .handle {
   padding: 0.42em 0.5em;
   width: 14px;
 }
-.no-svg a.tabledrag-handle .handle {
-  background-image: url(../../../misc/icons/787878/move.png);
-}
 a.tabledrag-handle:hover .handle,
 a.tabledrag-handle:focus .handle {
   background-image: url(../../../misc/icons/000000/move.svg);
 }
-.no-svg a.tabledrag-handle:hover .handle,
-.no-svg a.tabledrag-handle:focus .handle {
-  background-image: url(../../../misc/icons/000000/move.png);
-}
 .touch .draggable td {
   padding: 0 10px;
 }
diff --git a/core/modules/system/css/system.theme.css b/core/modules/system/css/system.theme.css
index 8664a2fc50ff33a689d554927d9b57baf1e12eeb..09e61321744b952cf932caec1c6cddb96620b22c 100644
--- a/core/modules/system/css/system.theme.css
+++ b/core/modules/system/css/system.theme.css
@@ -567,9 +567,6 @@ ul.tabs {
   box-shadow: 8px 0 0 #77b259;
   margin-right: 8px;
 }
-.no-svg .messages--status {
-  background-image: url(../../../misc/icons/73b355/check.png);
-}
 .messages--status,
 .ok {
   color: #325e1c;
@@ -588,9 +585,6 @@ table tr.ok {
   border-color: #f4daa6 transparent #f4daa6 #f4daa6;
   box-shadow: 8px 0 0 #e09600;
 }
-.no-svg .messages--warning {
-  background-image: url(../../../misc/icons/e29700/warning.png);
-}
 .messages--warning,
 .warning {
   color: #734c00;
@@ -609,9 +603,6 @@ table tr.warning {
   border-color: #f9c9bf transparent #f9c9bf #f9c9bf;
   box-shadow: -8px 0 0 #e62600;
 }
-.no-svg .messages--error {
-  background-image: url(../../../misc/icons/ea2800/error.png);
-}
 .messages--error,
 .error {
   color: #a51b00;
diff --git a/core/modules/toolbar/css/toolbar.icons.css b/core/modules/toolbar/css/toolbar.icons.css
index c827a0cfae449844d2f9f63f88358b29ea9abb8a..189ba5bacbb7895bf7b27db60c67c4718db25968 100644
--- a/core/modules/toolbar/css/toolbar.icons.css
+++ b/core/modules/toolbar/css/toolbar.icons.css
@@ -25,9 +25,6 @@
   top: 0;
   width: 20px;
 }
-.no-svg .toolbar .toolbar-icon:before {
-  background-size: auto auto;
-}
 [dir="rtl"] .toolbar .toolbar-icon:before {
   left: auto;
   right: 0.6667em;
@@ -68,31 +65,17 @@
 .toolbar-bar .toolbar-icon-menu:before {
   background-image: url("../../../misc/icons/bebebe/hamburger.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-menu:before {
-  background-image: url("../../../misc/icons/bebebe/hamburger.png");
-}
 .toolbar-bar .toolbar-icon-menu:active:before,
 .toolbar-bar .toolbar-icon-menu.active:before {
   background-image: url("../../../misc/icons/ffffff/hamburger.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-menu:active:before,
-.no-svg .toolbar-bar .toolbar-icon-menu.active:before {
-  background-image: url("../../../misc/icons/ffffff/hamburger.png");
-}
 .toolbar-bar .toolbar-icon-help:before {
   background-image: url("../../../misc/icons/bebebe/questionmark-disc.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-help:before {
-  background-image: url("../../../misc/icons/bebebe/questionmark-disc.png");
-}
 .toolbar-bar .toolbar-icon-help:active:before,
 .toolbar-bar .toolbar-icon-help.active:before {
   background-image: url("../../../misc/icons/ffffff/questionmark-disc.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-help:active:before,
-.no-svg .toolbar-bar .toolbar-icon-help.active:before {
-  background-image: url("../../../misc/icons/ffffff/questionmark-disc.png");
-}
 
 /**
  * Main menu icons.
@@ -100,115 +83,59 @@
 .toolbar-icon-content:before {
   background-image: url("../../../misc/icons/787878/file.svg");
 }
-.no-svg .toolbar-icon-content:before {
-  background-image: url("../../../misc/icons/787878/file.png");
-}
 .toolbar-icon-content:active:before,
 .toolbar-icon-content.active:before {
   background-image: url("../../../misc/icons/000000/file.svg");
 }
-.no-svg .toolbar-icon-content:active:before,
-.no-svg .toolbar-icon-content.active:before {
-  background-image: url("../../../misc/icons/000000/file.png");
-}
 .toolbar-icon-structure:before {
   background-image: url("../../../misc/icons/787878/orgchart.svg");
 }
-.no-svg .toolbar-icon-structure:before {
-  background-image: url("../../../misc/icons/787878/orgchart.png");
-}
 .toolbar-icon-structure:active:before,
 .toolbar-icon-structure.active:before {
   background-image: url("../../../misc/icons/000000/orgchart.svg");
 }
-.no-svg .toolbar-icon-structure:active:before,
-.no-svg .toolbar-icon-structure.active:before {
-  background-image: url("../../../misc/icons/000000/orgchart.png");
-}
 .toolbar-icon-appearance:before {
   background-image: url("../../../misc/icons/787878/paintbrush.svg");
 }
-.no-svg .toolbar-icon-appearance:before {
-  background-image: url("../../../misc/icons/787878/paintbrush.png");
-}
 .toolbar-icon-appearance:active:before,
 .toolbar-icon-appearance.active:before {
   background-image: url("../../../misc/icons/000000/paintbrush.svg");
 }
-.no-svg .toolbar-icon-appearance:active:before,
-.no-svg .toolbar-icon-appearance.active:before {
-  background-image: url("../../../misc/icons/000000/paintbrush.png");
-}
 .toolbar-icon-people:before {
   background-image: url("../../../misc/icons/787878/people.svg");
 }
-.no-svg .toolbar-icon-people:before {
-  background-image: url("../../../misc/icons/787878/people.png");
-}
 .toolbar-icon-people:active:before,
 .toolbar-icon-people.active:before {
   background-image: url("../../../misc/icons/000000/people.svg");
 }
-.no-svg .toolbar-icon-people:active:before,
-.no-svg .toolbar-icon-people.active:before {
-  background-image: url("../../../misc/icons/000000/people.png");
-}
 .toolbar-icon-extend:before {
   background-image: url("../../../misc/icons/787878/puzzlepiece.svg");
 }
-.no-svg .toolbar-icon-extend:before {
-  background-image: url("../../../misc/icons/787878/puzzlepiece.png");
-}
 .toolbar-icon-extend:active:before,
 .toolbar-icon-extend.active:before {
   background-image: url("../../../misc/icons/000000/puzzlepiece.svg");
 }
-.no-svg .toolbar-icon-extend:active:before,
-.no-svg .toolbar-icon-extend.active:before {
-  background-image: url("../../../misc/icons/000000/puzzlepiece.png");
-}
 .toolbar-icon-configuration:before {
   background-image: url("../../../misc/icons/787878/wrench.svg");
 }
-.no-svg .toolbar-icon-configuration:before {
-  background-image: url("../../../misc/icons/787878/wrench.png");
-}
 .toolbar-icon-configuration:active:before,
 .toolbar-icon-configuration.active:before {
   background-image: url("../../../misc/icons/000000/wrench.svg");
 }
-.no-svg .toolbar-icon-configuration:active:before,
-.no-svg .toolbar-icon-configuration.active:before {
-  background-image: url("../../../misc/icons/000000/wrench.png");
-}
 .toolbar-icon-reports:before {
   background-image: url("../../../misc/icons/787878/barchart.svg");
 }
-.no-svg .toolbar-icon-reports:before {
-  background-image: url("../../../misc/icons/787878/barchart.png");
-}
 .toolbar-icon-reports:active:before,
 .toolbar-icon-reports.active:before {
   background-image: url("../../../misc/icons/000000/barchart.svg");
 }
-.no-svg .toolbar-icon-reports:active:before,
-.no-svg .toolbar-icon-reports.active:before {
-  background-image: url("../../../misc/icons/000000/barchart.png");
-}
 .toolbar-icon-help:before {
   background-image: url("../../../misc/icons/787878/questionmark-disc.svg");
 }
-.no-svg .toolbar-icon-help:before {
-  background-image: url("../../../misc/icons/787878/questionmark-disc.png");
-}
 .toolbar-icon-help:active:before,
 .toolbar-icon-help.active:before {
   background-image: url("../../../misc/icons/000000/questionmark-disc.svg");
 }
-.no-svg .toolbar-icon-help:active:before,
-.no-svg .toolbar-icon-help.active:before {
-  background-image: url("../../../misc/icons/000000/questionmark-disc.png");
-}
 .toolbar .toolbar-bar .toolbar-icon:before {
   min-height: 3em;
 }
@@ -227,9 +154,6 @@
     left: 0; /* LTR */
     width: 100%;
   }
-  .no-svg .toolbar .toolbar-bar .toolbar-icon:before {
-    background-size: auto auto;
-  }
   [dir="rtl"] .toolbar .toolbar-bar .toolbar-icon:before {
     left: auto;
     right: 0;
@@ -254,9 +178,6 @@
     left: 0.6667em; /* LTR */
     width: 20px;
   }
-  .no-svg .toolbar .toolbar-bar .toolbar-icon:before {
-    background-size: auto auto;
-  }
   [dir="rtl"] .toolbar .toolbar-bar .toolbar-icon:before {
     left: 0;
     right: 0.6667em;
@@ -273,43 +194,23 @@
 .toolbar .toolbar-icon.toolbar-handle:before {
   background-image: url("../../../misc/icons/5181c6/chevron-disc-down.svg");
 }
-.no-svg .toolbar .toolbar-icon.toolbar-handle:before {
-  background-image: url("../../../misc/icons/5181c6/chevron-disc-down.png");
-}
 .toolbar .toolbar-icon.toolbar-handle.open:before {
   background-image: url("../../../misc/icons/787878/chevron-disc-up.svg");
 }
-.no-svg .toolbar .toolbar-icon.toolbar-handle.open:before {
-  background-image: url("../../../misc/icons/787878/chevron-disc-up.png");
-}
 .toolbar .menu .menu .toolbar-icon.toolbar-handle:before {
   background-image: url("../../../misc/icons/5181c6/twistie-down.svg");
   background-size: 75%;
 }
-.no-svg .toolbar .menu .menu .toolbar-icon.toolbar-handle:before {
-  background-image: url("../../../misc/icons/5181c6/twistie-down.png");
-  background-size: auto auto;
-}
 .toolbar .menu .menu .toolbar-icon.toolbar-handle.open:before {
   background-image: url("../../../misc/icons/787878/twistie-up.svg");
   background-size: 75%;
 }
-.no-svg .toolbar .menu .menu .toolbar-icon.toolbar-handle.open:before {
-  background-image: url("../../../misc/icons/787878/twistie-up.png");
-  background-size: auto auto;
-}
 .toolbar .toolbar-icon-escape-admin:before {
   background-image: url("../../../misc/icons/bebebe/chevron-disc-left.svg");
 }
-.no-svg .toolbar .toolbar-icon-escape-admin:before {
-  background-image: url("../../../misc/icons/bebebe/chevron-disc-left.png");
-}
 [dir="rtl"] .toolbar .toolbar-icon-escape-admin:before {
   background-image: url("../../../misc/icons/bebebe/chevron-disc-right.svg");
 }
-[dir="rtl"] .no-svg .toolbar .toolbar-icon-escape-admin:before {
-  background-image: url("../../../misc/icons/bebebe/chevron-disc-right.png");
-}
 /**
  * Orientation toggle.
  */
@@ -342,13 +243,6 @@
  {
   background-image: url("../../../misc/icons/787878/push-left.svg"); /* LTR */
 }
-.no-svg .toolbar .toolbar-toggle-orientation [value="vertical"]:before {
-  background-image: url("../../../misc/icons/bebebe/push-left.png"); /* LTR */
-}
-.no-svg .toolbar .toolbar-toggle-orientation [value="vertical"]:hover:before,
-.no-svg .toolbar .toolbar-toggle-orientation [value="vertical"]:focus:before {
-  background-image: url("../../../misc/icons/787878/push-left.png"); /* LTR */
-}
 [dir="rtl"] .toolbar .toolbar-toggle-orientation [value="vertical"]:before {
   background-image: url("../../../misc/icons/bebebe/push-right.svg");
 }
@@ -356,24 +250,10 @@
 [dir="rtl"] .toolbar .toolbar-toggle-orientation [value="vertical"]:focus:before {
   background-image: url("../../../misc/icons/787878/push-right.svg");
 }
-[dir="rtl"].no-svg .toolbar .toolbar-toggle-orientation [value="vertical"]:before {
-  background-image: url("../../../misc/icons/bebebe/push-right.png");
-}
-[dir="rtl"].no-svg .toolbar .toolbar-toggle-orientation [value="vertical"]:hover:before,
-[dir="rtl"].no-svg .toolbar .toolbar-toggle-orientation [value="vertical"]:focus:before {
-  background-image: url("../../../misc/icons/787878/push-right.png");
-}
 .toolbar .toolbar-toggle-orientation [value="horizontal"]:before {
   background-image: url("../../../misc/icons/bebebe/push-up.svg");
 }
 .toolbar .toolbar-toggle-orientation [value="horizontal"]:hover:before {
   background-image: url("../../../misc/icons/787878/push-up.svg");
 }
-.no-svg .toolbar .toolbar-toggle-orientation [value="horizontal"]:before {
-  background-image: url("../../../misc/icons/bebebe/push-up.png");
-}
-.no-svg .toolbar .toolbar-toggle-orientation [value="horizontal"]:hover:before,
-.no-svg .toolbar .toolbar-toggle-orientation [value="horizontal"]:focus:before {
-  background-image: url("../../../misc/icons/787878/push-up.png");
-}
 
diff --git a/core/modules/user/css/user.icons.css b/core/modules/user/css/user.icons.css
index e61128c2cad02316d400cbbc40c1cf309b23e729..3742c42984f78c7acb864736928923aa7ad87785 100644
--- a/core/modules/user/css/user.icons.css
+++ b/core/modules/user/css/user.icons.css
@@ -9,14 +9,7 @@
 .toolbar-bar .toolbar-icon-user:before {
   background-image: url("../../../misc/icons/bebebe/person.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-user:before {
-  background-image: url("../../../misc/icons/bebebe/person.png");
-}
 .toolbar-bar .toolbar-icon-user:active:before,
 .toolbar-bar .toolbar-icon-user.active:before {
   background-image: url("../../../misc/icons/ffffff/person.svg");
 }
-.no-svg .toolbar-bar .toolbar-icon-user:active:before,
-.no-svg .toolbar-bar .toolbar-icon-user.active:before {
-  background-image: url("../../../misc/icons/ffffff/person.png");
-}
diff --git a/core/themes/bartik/css/style.css b/core/themes/bartik/css/style.css
index f1d532312e369f43e0c54546233ef3e8516c44ad..35869647a080380b7b80b6a0961692aa4622c3bd 100644
--- a/core/themes/bartik/css/style.css
+++ b/core/themes/bartik/css/style.css
@@ -1689,17 +1689,6 @@ div.password-suggestions {
 #search-form input.form-submit:focus {
   background: #dedede url("../../../misc/icons/424242/loupe.svg") no-repeat center;
 }
-.no-svg #search-block-form input.form-submit,
-.no-svg #search-form input.form-submit {
-  background: #f0f0f0 url("../../../misc/icons/505050/loupe.png") no-repeat center;
-}
-.no-svg #search-block-form input.form-submit:hover,
-.no-svg #search-block-form input.form-submit:focus,
-.no-svg #search-form input.form-submit:hover,
-.no-svg #search-form input.form-submit:focus {
-  background: #dedede url("../../../misc/icons/424242/loupe.png") no-repeat center;
-
-}
 #search-form .form-item-keys label {
   display: block;
 }
diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index 5c1f40ef6a7324ae96376a5e18d390b789fa0ed7..779c39f4330fed15d1837b894564aab5fa66ca9d 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -226,15 +226,9 @@ li.tabs__tab a {
   .tabs.primary a {
     background: url(../../misc/icons/0074bd/chevron-right.svg) 99% center no-repeat;
   }
-  .no-svg .tabs.primary a {
-    background-image: url(../../misc/icons/0074bd/chevron-right.png);
-  }
   [dir="rtl"] .tabs.primary a {
     background: url(../../misc/icons/0074bd/chevron-left.svg) 1% center no-repeat;
   }
-  [dir="rtl"] .no-svg .tabs.primary a {
-    background-image: url(../../misc/icons/0074bd/chevron-left.png);
-  }
   .tabs.primary .tabs__tab.active a {
     background-image: none;
   }
@@ -474,17 +468,11 @@ ul.admin-list {
   padding: 14px 15px 14px 25px; /* LTR */
   min-height: 0;
 }
-.no-svg .admin-list li a {
-  background-image: url(../../misc/icons/bebebe/chevron-disc-right.png); /* LTR */
-}
 [dir="rtl"] .admin-list li a {
   background: url(../../misc/icons/bebebe/chevron-disc-left.svg) no-repeat right 16px;
   padding-right: 25px;
   padding-left: 15px;
 }
-.no-svg [dir="rtl"] .admin-list li a {
-  background-image: url(../../misc/icons/bebebe/chevron-disc-left.png);
-}
 .admin-list.compact li a {
   background-image:  none;
   padding: 2px 0;