Increase dropdown width in pipeline graph & center action icon

app/assets/stylesheets/pages/pipelines.scss

@@ -706,8 +706,8 @@ button.mini-pipeline-graph-dropdown-toggle {
 // dropdown content for big and mini pipeline
 .big-pipeline-graph-dropdown-menu,
 .mini-pipeline-graph-dropdown-menu {
-  width: 195px;
-  max-width: 195px;
+  width: 240px;
+  max-width: 240px;
   .scrollable-menu {
     padding: 0;
@@ -750,7 +750,7 @@ button.mini-pipeline-graph-dropdown-toggle {
         height: #{$ci-action-icon-size - 6};
         left: -3px;
         position: relative;
-        top: -2px;
+        top: -1px;
         &.icon-action-stop,
         &.icon-action-cancel {
@@ -931,13 +931,11 @@ button.mini-pipeline-graph-dropdown-toggle {
    */
   &.dropdown-menu {
     transform: translate(-80%, 0);
-    min-width: 150px;
     @media(min-width: $screen-md-min) {
       transform: translate(-50%, 0);
       right: auto;
       left: 50%;
-      min-width: 240px;
     }
   }
 }

changelogs/unreleased/41224-pipeline-icons.yml

+---
+title: Increase dropdown width in pipeline graph & center action icon
+merge_request: 18089
+author:
+type: fixed