1 files changed, 23 insertions, 10 deletions

diff --git a/app/assets/stylesheets/framework/nav.scss b/app/assets/stylesheets/framework/nav.scss
index 0e09638a8cc..28b2a7cfacd 100644
--- a/app/assets/stylesheets/framework/nav.scss
+++ b/app/assets/stylesheets/framework/nav.scss
@@ -24,10 +24,10 @@
 }
 
 @mixin scrolling-links() {
-  white-space: nowrap;
   overflow-x: auto;
   overflow-y: hidden;
   -webkit-overflow-scrolling: touch;
+  display: flex;
 
   &::-webkit-scrollbar {
     display: none;
@@ -35,6 +35,7 @@
 }
 
 .nav-links {
+  display: flex;
   padding: 0;
   margin: 0;
   list-style: none;
@@ -42,17 +43,16 @@
   border-bottom: 1px solid $border-color;
 
   li {
-    display: inline-block;
+    display: flex;
 
     a {
-      display: inline-block;
       padding: $gl-btn-padding;
       padding-bottom: 11px;
-      margin-bottom: -1px;
       font-size: 14px;
       line-height: 28px;
       color: $gl-text-color-secondary;
       border-bottom: 2px solid transparent;
+      white-space: nowrap;
 
       &:hover,
       &:active,
@@ -85,10 +85,10 @@
     .container-fluid {
       background-color: $gray-normal;
       margin-bottom: 0;
+      display: flex;
     }
 
     li {
-
       &.active a {
         border-bottom: none;
         color: $link-underline-blue;
@@ -110,7 +110,7 @@
 
 .top-area {
   @include clearfix;
-  border-bottom: 1px solid $white-normal;
+  border-bottom: 1px solid $border-color;
 
   .nav-text {
     padding-top: 16px;
@@ -137,15 +137,19 @@
   }
 
   .nav-links {
-    display: inline-block;
     margin-bottom: 0;
     border-bottom: none;
+    float: left;
 
     &.wide {
       width: 100%;
       display: block;
     }
 
+    &.scrolling-tabs {
+      float: left;
+    }
+
     li a {
       padding: 16px 15px 11px;
     }
@@ -287,6 +291,7 @@
   border-bottom: 1px solid $border-color;
   transition: padding $sidebar-transition-duration;
   text-align: center;
+  margin-top: $header-height;
 
   .container-fluid {
     position: relative;
@@ -332,6 +337,10 @@
     border-bottom: none;
     height: 51px;
 
+    @media (min-width: $screen-sm-min) {
+      justify-content: center;
+    }
+
     li {
       a {
         padding-top: 10px;
@@ -343,6 +352,10 @@
 .scrolling-tabs-container {
   position: relative;
 
+  .merge-request-tabs-container & {
+    overflow: hidden;
+  }
+
   .nav-links {
     @include scrolling-links();
   }
@@ -424,14 +437,14 @@
       top: ($header-height + 1) * 3;
 
       &.affix {
-        top: 0;
+        top: $header-height;
       }
     }
   }
 }
 
-.activities {
-  .nav-block {
+.nav-block {
+  &.activities {
     border-bottom: 1px solid $border-color;
 
     .nav-links {