Ticket #57204: 57204.patch

wp-content/themes/twentysixteen/css/blocks.css

@@ -81 +81 @@
 }
 
 .wp-block-quote cite {
-        color: #1a1a1a;
+        color: inherit;
         display: block;
         font-size: 16px;
         font-size: 1rem;

wp-content/themes/twentysixteen/css/editor-blocks.css

@@ -290 +290 @@
 /* Quote */
 
 .wp-block-quote {
-        border: 0 solid #1a1a1a;
+        border: 0 solid ;
+        border-color: inherit!important;
         border-left-width: 4px;
         color: #686868;
         font-style: italic;
@@ -313 +314 @@
 }
 
 .wp-block-quote__citation {
-        color: #1a1a1a;
+        color: inherit!important;
         display: block;
         font-size: 16px;
         font-size: 1rem;