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styles.css

@@ -2402,8 +2402,17 @@ section {
         display: none;
     }
 
+    .language-option[data-language="javascript"] .language-label {
+        font-size: 0;
+        line-height: 0;
+    }
+
     .language-option[data-language="javascript"] .language-label::after {
         content: "JS";
+        font-size: 0.875rem;
+        line-height: 1;
+        display: inline-block;
+        vertical-align: baseline;
     }
 }