adjust styles for crowi layout

src/client/styles/scss/_layout_crowi_sidebar.scss

@@ -88,22 +88,27 @@
       .page-comment-form {
         margin-top: 16px;
 
-        .comment-form {
-        }
-
         .comment-form-main {
-
-          .comment-form-comment {
-            height: 60px;
+          .navbar-editor button {
+            padding: 5px;
+            font-size: 12px;
+          }
+          .overlay-gfm-cheatsheet {
+            display: none;  // hide cheatsheet
+          }
+          .CodeMirror {
+            height: 150px;
           }
-
           .comment-submit {
             margin-top: 8px;
-            text-align: right;
           }
         }
       }
 
+      hr {
+        border-color: #ccc;
+      }
+
       .page-comments-list {
         .page-comment {
           margin-top: 8px;

src/server/views/layout-crowi/widget/page_side_content.html

@@ -14,6 +14,7 @@
 <div class="page-comments">
   {% if page and not page.isDeleted() %}
   <div id="page-comment-write"></div>
+  <hr>
   {% endif %}
 
   <div id="page-comment-form-behavior"></div>