Turn the "Custom Code" buttoms in Dynamik Design area light green when in use (visually highlight them to signalize "there´s code in there"). Goes to Dynamik Custom - Functions. Credits: Junior Atoms / Larry: http://cobaltapps.com/forum/forum/main-category/feedback-suggestions/47450-more-dwb-in-2015

custom-code-highlight.php

//* Turn Custom Code buttons in Design area colored when code in use
add_action('admin_head', 'admin_css');
function admin_css() {
  echo '<style> .wp-core-ui .button.custom-hilight { background: #EDFFAF; box-shadow: none; } </style>';
}