error handling

lms/static/coffee/src/discussion/templates.coffee

@@ -11,7 +11,8 @@ Discussion = @Discussion
       <ul class="discussion-errors new-post-form-error"></ul>    
       <input type="text" class="new-post-title title-input" placeholder="Title"/>
       <div class="new-post-similar-posts-wrapper" style="display: none">
-        Similar Posts: <a class="hide-similar-posts" href="javascript:void(0)">These are not what I want</a>
+        Similar Posts: 
+        <a class="hide-similar-posts" href="javascript:void(0)">Hide</a>
         <div class="new-post-similar-posts"></div>
       </div>
       <div class="new-post-body body-input"></div>

lms/static/sass/_discussion.scss

@@ -214,7 +214,9 @@ form label {
     .discussion-errors {
       color: #8F0E0E;
       display: block;
-      margin-left: -5%;
+      font: inherit;
+      font-size: $comment_body_size;
+      margin-left: -3%;
     }
     .new-post-similar-posts-wrapper {
       @include border-radius(3px);
@@ -224,6 +226,9 @@ form label {
       margin-top: 1%;
       padding: 1% 1.5%;
     }
+    .hide-similar-posts {
+      float: right;
+    }
     .new-post-similar-posts {
       font: inherit;
       .similar-post {
@@ -255,6 +260,13 @@ form label {
   }
   .discussion-content-edit, .discussion-reply-new, .new-post-form {
     margin: 10px 0 10px 0;
+    .discussion-errors {
+      color: #8F0E0E;
+      display: block;
+      font: inherit;
+      font-size: $comment_body_size;
+      margin-left: -3%;
+    }
     a:hover {
       color: #1C71DD;
       text-decoration: none;