Kill .tag-preview and add more stylings for code element.

h/static/styles/common.scss

@@ -486,8 +486,12 @@ h6 {
     }
 
     code {
-      color: #666;
-      font-family: "Courier New", monospace;
+      display: block;
+      font-family: monospace,monospace;
+      padding: 0 0.615em;
+      border: 1px solid #DDD;
+      background-color: #F8F8F8;
+      border-radius: 3px;
     }
     
     blockquote {

h/static/styles/forms.scss

@@ -157,6 +157,7 @@
 
 .form-actions {
   @include pie-clearfix;
+  margin-top: 10px;
 }
 
 .form-actions-message {

h/static/styles/tags-input.scss

@@ -95,9 +95,5 @@ tags-input {
       }
     }
   }
-  
-  &.tag-preview {
-    margin: 10px 0;
-  }
 }