Fixing #2560 - changing z-index on class sequence-controls so we can see the controls on top of stream field menu

CHANGELOG.txt

@@ -43,6 +43,7 @@ Changelog
  * Fix: REM units in Wagtailuserbar caused incorrect spacing (Vincent Audebert)
  * Fix: Explorer menu no longer scrolls with page content (Vincent Audebert)
  * Fix: `decorate_urlpatterns` now uses `functools.update_wrapper` to keep view names and docstrings (Mario César)
+ * Fix: StreamField block controls are no longer hidden by the StreamField menu when prepending a new block (Vincent Audebert)
 
 
 1.4.4 (xx.xx.2016)

docs/releases/1.5.rst

@@ -81,6 +81,7 @@ Bug fixes
  * REM units in Wagtailuserbar caused incorrect spacing (Vincent Audebert)
  * Explorer menu no longer scrolls with page content (Vincent Audebert)
  * ``decorate_urlpatterns`` now uses ``functools.update_wrapper`` to keep view names and docstrings (Mario César)
+ * StreamField block controls are no longer hidden by the StreamField menu when prepending a new block (Vincent Audebert)
 
 
 Upgrade considerations

wagtail/wagtailadmin/static_src/wagtailadmin/scss/components/_streamfield.scss

@@ -215,7 +215,6 @@ li.sequence-member {
     position: relative;
     background-color: $color-grey-1;
     opacity: 1;
-    z-index: 5;
 
     .toggle {
         @include transition(color 0.2s ease);
@@ -230,7 +229,7 @@ li.sequence-member {
         width: 1em;
         height: 1em;
         display: block;
-        z-index: 5;
+        z-index: 1;
         color: $color-grey-1;
         background-color: $color-white;
         outline: none;