diff --git a/core/.stylelintrc.json b/core/.stylelintrc.json
index 3f0769b7c0486ab7390f1914be39bbf8eea977fe..5fb4fef8a9d96b546fba9d6be363d815a16999d7 100644
--- a/core/.stylelintrc.json
+++ b/core/.stylelintrc.json
@@ -8,7 +8,6 @@
     "color-hex-length": null,
     "comment-empty-line-before": null,
     "declaration-block-no-duplicate-properties": null,
-    "declaration-block-no-shorthand-property-overrides": null,
     "function-linear-gradient-no-nonstandard-direction": null,
     "function-whitespace-after": null,
     "no-empty-source": null,
diff --git a/core/themes/bartik/css/components/node-preview.css b/core/themes/bartik/css/components/node-preview.css
index e391dd15b1ce15db5f1bcf08741458108f9a74ac..b4a3a24ad8c366c1ab7a8f8f28711791335ae477 100644
--- a/core/themes/bartik/css/components/node-preview.css
+++ b/core/themes/bartik/css/components/node-preview.css
@@ -10,7 +10,6 @@
   padding: 5px 10px;
 }
 .node-preview-backlink {
-  background-color: #419ff1;
   background: url(../../../../misc/icons/000000/chevron-left.svg) left no-repeat, -webkit-linear-gradient(top, #419ff1, #1076d5);
   background: url(../../../../misc/icons/000000/chevron-left.svg) left no-repeat, linear-gradient(to bottom, #419ff1, #1076d5); /* LTR */
   border: 1px solid #0048c8;
@@ -33,7 +32,6 @@
 }
 .node-preview-backlink:focus,
 .node-preview-backlink:hover {
-  background-color: #419cf1;
   background: url(../../../../misc/icons/000000/chevron-left.svg) left no-repeat, -webkit-linear-gradient(top, #59abf3, #2a90ef);
   background: url(../../../../misc/icons/000000/chevron-left.svg) left no-repeat, linear-gradient(to bottom, #59abf3, #2a90ef); /* LTR */
   border: 1px solid #0048c8;
@@ -46,7 +44,6 @@
   background: url(../../../../misc/icons/000000/chevron-right.svg) right no-repeat, linear-gradient(to bottom, #59abf3, #2a90ef);
 }
 .node-preview-backlink:active {
-  background-color: #0e69be;
   background: url(../../../../misc/icons/000000/chevron-left.svg) left no-repeat, -webkit-linear-gradient(top, #0e69be, #2a93ef);
   background: url(../../../../misc/icons/000000/chevron-left.svg) left no-repeat, linear-gradient(to bottom, #0e69be, #2a93ef); /* LTR */
   border: 1px solid #0048c8;