move .cooked word-wrap: break-word into base CSS

app/assets/stylesheets/common/base/topic-post.scss

@@ -20,8 +20,16 @@
  }
 }
 
-.cooked .highlight{
+.cooked .highlight {
   background-color: scale-color($highlight, $lightness: 40%);
   padding: 2px;
   margin: -2px;
 }
+
+.contents .cooked a {
+  word-wrap: break-word;
+}
+
+.contents .cooked {
+  word-wrap: break-word;
+}

app/assets/stylesheets/desktop/topic-post.scss

@@ -600,12 +600,7 @@ iframe {
   position: relative;
 }
 
-.contents .cooked a {
-  word-wrap: break-word;
-}
-
 .contents .cooked {
-  word-wrap: break-word;
   h1, h2, h3, h4, h5, h6 { margin: 30px 0 10px; }
 }