Fix scss issues found by linter after ce to ee merge

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/framework/modal.scss

@@ -9,6 +9,7 @@
 .modal-body {
   position: relative;
   padding: #{3 * $grid-size} #{2 * $grid-size};
+  background-color: $modal-body-bg;
 
   .form-actions {
     margin: #{2 * $grid-size} #{-2 * $grid-size} #{-2 * $grid-size};
@@ -46,7 +47,3 @@ body.modal-open {
 .modal.popup-dialog {
   display: block;
 }
-
-.modal-body {
-  background-color: $modal-body-bg;
-}

app/assets/stylesheets/pages/pipelines.scss

@@ -206,7 +206,7 @@
    * Play button with icon in dropdowns
    */
   .no-btn {
-    border: none;
+    border: 0;
     background: none;
     outline: none;
     width: 100%;