diff --git a/assets/css/brand.css b/assets/css/brand.css
index c18e587e5574a4f083308879ea0e0c2e4416785c..2ffd7206e0a9e57f5918aeac1b6f734a7189dadc 100644
--- a/assets/css/brand.css
+++ b/assets/css/brand.css
@@ -795,6 +795,15 @@ body.media-directory .dz-preview .dz-progress .dz-upload {
   background: #29abe2;
 }
 
+.ck.ck-content a:not(.btn) {
+  text-decoration: underline;
+  color: #33b5e5;
+}
+
+.ck.ck-content blockquote {
+  border-left-color: #29abe2;
+}
+
 .files-list .active-highlighted:before {
   border-color: #29abe2;
 }
diff --git a/components/brand.scss b/components/brand.scss
index d44e3c516367bbdfcdd67bbb4a1f3ce6f04ffa18..80a854ca67ec9a24fd1b27b1430f291306eea960 100644
--- a/components/brand.scss
+++ b/components/brand.scss
@@ -954,6 +954,21 @@ body.media-directory {
   }
 }
 
+// CKEditor5 overrides
+.ck.ck-content {
+
+  // Link style
+  a:not(.btn) {
+    text-decoration: underline;
+    color: $link-color;
+  }
+
+  // Blockquote
+  blockquote {
+    border-left-color: $brand-primary;
+  }
+}
+
 .files-list .active-highlighted:before {
   border-color: $brand-primary;
 }
diff --git a/socialblue.info.yml b/socialblue.info.yml
index 205d1500be85fd333b88dfdd0c979f2d3b939ee5..c04d63ea1538762db8baec9094f7c82d206807ed 100644
--- a/socialblue.info.yml
+++ b/socialblue.info.yml
@@ -84,6 +84,9 @@ libraries-extend:
 ckeditor_stylesheets:
   - assets/css/ckeditor.css
 
+# Special stylesheets for CKEditor5 to use while editing.
+ckeditor5-stylesheets: false
+
 # This section is used by the contrib module, Component Libraries. It allows you
 # to reference .twig files in your components/ directory.
 component-libraries: