Override BS4 pagination variables

app/assets/stylesheets/framework/pagination.scss

@@ -4,3 +4,11 @@
     text-decoration: none;
   }
 }
+
+.page-item {
+  &.active {
+    .page-link {
+      z-index: 3;
+    }
+  }
+}

app/assets/stylesheets/framework/variables.scss

@@ -434,6 +434,22 @@ $gl-btn-horz-padding: 12px;
 $badge-bg: rgba(0, 0, 0, 0.07);
 $badge-color: $gl-text-color-secondary;
 
+/*
+* Pagination
+*/
+$pagination-padding-y: 6px;
+$pagination-padding-x: 16px;
+$pagination-line-height: 20px;
+$pagination-border-color: $border-color;
+$pagination-active-bg: $blue-600;
+$pagination-active-border-color: $blue-600;
+$pagination-hover-bg: $blue-50;
+$pagination-hover-border-color: $border-color;
+$pagination-hover-color: $gl-text-color;
+$pagination-disabled-color: #cdcdcd;
+$pagination-disabled-bg: $gray-light;
+$pagination-disabled-border-color: $border-color;
+
 /*
  *  Status icons
  */