Issue #3207032 by kostyashupenko, mherchel: Back button, alignment bug in IE11 / Olivero

core/themes/olivero/css/components/button.css

@@ -152,6 +152,11 @@
     background-color: #d7e1e8;
   }
 
+.button--icon-back {
+  display: inline-flex;
+  align-items: center
+}
+
 [dir="ltr"] .button--icon-back:before {
     margin-right: 0.5em
 }

core/themes/olivero/css/components/button.pcss.css

@@ -102,6 +102,9 @@
 }
 
 .button--icon-back {
+  display: inline-flex;
+  align-items: center;
+
   &:before {
     display: block;
     width: 0.5em;