2 files changed, 3 insertions, 1 deletions
diff --git a/app/assets/stylesheets/pages/diff.scss b/app/assets/stylesheets/pages/diff.scss
index 8bde995f49c..55011e8a21b 100644
--- a/app/assets/stylesheets/pages/diff.scss
+++ b/app/assets/stylesheets/pages/diff.scss
@@ -474,6 +474,7 @@
   height: 19px;
   width: 19px;
   margin-left: -15px;
+  z-index: 100;
 
   &:hover {
     .diff-comment-avatar,
@@ -540,6 +541,7 @@
   height: 19px;
   padding: 0;
   transition: transform .1s ease-out;
+  z-index: 100;
 
   svg {
     position: absolute;
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index 61717c1d362..fee939a18dd 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -731,7 +731,7 @@
 
 .merge-request-tabs-holder {
   top: $header-height;
-  z-index: 100;
+  z-index: 200;
   background-color: $white-light;
   margin: 0 (-$gl-padding);
   padding: 0 $gl-padding;