added colors for HEAD http method

Author: mrin9

src/styles/font-styles.js

@@ -43,7 +43,10 @@ export default css`
   .method-fg.post { color: var(--green); }
   .method-fg.get { color: var(--blue); }
   .method-fg.delete { color: var(--red); }
-  .method-fg.patch { color: var(--yellow); }
+  .method-fg.head, 
+  .method-fg.patch { 
+    color: var(--yellow); 
+  }
 
   h1{ font-family:var(--font-regular); font-size:28px; padding-top: 10px; letter-spacing:normal; font-weight:normal; }
   h2{ font-family:var(--font-regular); font-size:24px; padding-top: 10px; letter-spacing:normal; font-weight:normal; }