Make offset override specific to admin welcome page

app/assets/stylesheets/framework/blank.scss

@@ -47,7 +47,6 @@
 .blank-state-icon {
   padding-bottom: 20px;
   font-size: 56px;
-  margin-left: 30%; /* this is slight increase over 25% of col-md-offset-3 */
 
   svg {
     display: block;
@@ -55,6 +54,16 @@
   }
 }
 
+.section-admin-welcome {
+  /**
+   * This is slight increase over 25% of col-md-offset-3 for
+   * admin welcome page
+   */
+  .blank-state-icon.col-md-offset-3 {
+    margin-left: 30%;
+  }
+}
+
 .blank-state-title {
   margin-top: 0;
   margin-bottom: 10px;

app/views/dashboard/projects/_zero_authorized_projects.html.haml

 .row.blank-state-parent-container
   .col-md-6.section-container
-    .section-body.section-welcome
+    .section-body.section-welcome{ class: "#{ 'section-admin-welcome' if current_user.admin? }" }
       .blank-state.blank-state-welcome
         %h2.blank-state-welcome-title
           Welcome to GitLab