Make new dropdown-link style global

app/assets/stylesheets/framework/dropdowns.scss

@@ -154,14 +154,20 @@
 }
 
 @mixin dropdown-link {
+  background: transparent;
+  border: 0;
+  border-radius: 0;
+  box-shadow: none;
   display: block;
+  font-weight: $gl-font-weight-normal;
   position: relative;
-  padding: 5px 8px;
+  padding: 8px 16px;
   color: $gl-text-color;
-  line-height: initial;
-  border-radius: 2px;
-  white-space: nowrap;
+  line-height: normal;
+  white-space: normal;
   overflow: hidden;
+  text-align: left;
+  width: 100%;
 
   // make sure the text color is not overriden
   &.text-danger {
@@ -343,10 +349,7 @@
     > button {
       display: flex;
       margin: 0;
-      padding: 0;
-      border-radius: 0;
       text-overflow: inherit;
-      border: inherit;
       text-align: left;
 
       &.btn .fa:not(:last-child) {
@@ -769,20 +772,6 @@
       &:hover {
         background-color: transparent;
       }
-
-      a,
-      button,
-      .menu-item {
-        margin-bottom: 0;
-        border-radius: 0;
-        box-shadow: none;
-        padding: 8px 16px;
-        text-align: left;
-        white-space: normal;
-        width: 100%;
-        font-weight: $gl-font-weight-normal;
-        line-height: normal;
-      }
     }
 
     &.dropdown-menu-selectable {