diff --git a/css/src/components/dialog.css b/css/src/components/dialog.css
index b3aa6c9..2cb6314 100644
--- a/css/src/components/dialog.css
+++ b/css/src/components/dialog.css
@@ -56,7 +56,7 @@
   left: 20px;
   left: 20px;
 }
 .ui-dialog .ui-icon.ui-icon-closethick {
-  background: url(../../../../misc/icons/ffffff/ex.svg) 0 0 no-repeat;
+  background-image: url("/core/misc/icons/ffffff/ex.svg");
   margin-top: -8px;
 }
 .ui-dialog .ui-widget-content.ui-dialog-content {
diff --git a/css/src/components/form.css b/css/src/components/form.css
index e0b922c..11e63dd 100644
--- a/css/src/components/form.css
+++ b/css/src/components/form.css
@@ -68,7 +69,7 @@ td > .form-item:only-child {
   vertical-align: super;
   display: inline-block;
   /* Use a background image to prevent screen readers from announcing the text. */
-  background-image: url(../../../../misc/icons/ee0000/required.svg);
+  background-image: url("/core/misc/icons/ee0000/required.svg");
   background-repeat: no-repeat;
   background-size: var(--size-required-mark) var(--size-required-mark);
   width: var(--size-required-mark);
diff --git a/css/src/components/tabs.css b/css/src/components/tabs.css
index 9660a04..90e7630 100644
--- a/css/src/components/tabs.css
+++ b/css/src/components/tabs.css
@@ -109,10 +109,10 @@ li.tabs__tab a {
 /* Only add the arrow if there's space */
 @media screen and (min-width: 18.75em) { /* 300px */
   .tabs.primary a {
-    background: url(../../../../misc/icons/0074bd/chevron-right.svg) 99% center no-repeat;
+    background-image: url('/core/misc/icons/0074bd/chevron-right.svg');
   }
   [dir="rtl"] .tabs.primary a {
-    background: url(../../../../misc/icons/0074bd/chevron-left.svg) 1% center no-repeat;
+    background-image: url('/core/misc/icons/0074bd/chevron-left.svg');
   }
   .tabs.primary .tabs__tab.is-active a {
     background-image: none;
diff --git a/css/src/theme/ckeditor-dialog.css b/css/src/theme/ckeditor-dialog.css
index 0fc5e7d..021b8d2 100644
--- a/css/src/theme/ckeditor-dialog.css
+++ b/css/src/theme/ckeditor-dialog.css
@@ -114,7 +114,7 @@
 }
 .cke_reset_all select.cke_dialog_ui_input_select {
   padding-right: 1.5em;
-  background: #fcfcfa url(../../../../misc/icons/333333/caret-down.svg) no-repeat 99% 63%;
+  background-image: url('/core/misc/icons/333333/caret-down.svg');
 }
 .cke_reset_all .cke_dialog_body textarea:focus,
 .cke_reset_all .cke_dialog_body input[type="text"]:focus,