Add bottom margin depends on profile tabs visibility.

app/assets/stylesheets/pages/profile.scss

@@ -221,7 +221,11 @@
   }
 
   .profile-header {
-    margin: 0 $gl-padding 10px;
+    margin: 0 $gl-padding;
+
+    &.with-no-profile-tabs {
+      margin-bottom: $gl-padding-24;
+    }
 
     .avatar-holder {
       width: 90px;

app/views/users/show.html.haml

@@ -31,7 +31,7 @@
           data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
           = icon('users')
 
-    .profile-header
+    .profile-header{ class: [('with-no-profile-tabs' if profile_tabs.empty?)] }
       .avatar-holder
         = link_to avatar_icon_for_user(@user, 400), target: '_blank', rel: 'noopener noreferrer' do
           = image_tag avatar_icon_for_user(@user, 90), class: "avatar s90", alt: ''