Update code title css

Author: rossta

app/javascript/css/components/code.scss

@@ -56,7 +56,6 @@
   --code-header-font-size: 0.875rem;
   --code-header-line-height: 1.5715;
 
-  line-height: 1;
   display: none;
   padding: 1.5rem 1.5rem 0.5rem;
   font-size: var(--code-header-font-size);
@@ -67,7 +66,7 @@
     font-weight: 600;
     display: block;
     text-align: right;
-    line-height: 1;
+    line-height: var(--code-header-line-height);
     flex-grow: 2;
 
     & input {