beautify config for rollout plugin

public_html/deployment/classes/rollout_base.class.php

@@ -574,7 +574,7 @@ class rollout_base implements iRolloutplugin{
     protected function _renderMoreToggler($sContent){
         $sDivId='rollout-more-toggler-'.$this->getId().'-'.md5($sContent);
         return ''
-                . '<button onclick="$(\'#'.$sDivId.'\').slideToggle(); return false;"> ... </button>'
+                . '<button onclick="$(\'#'.$sDivId.'\').slideToggle(); return false;" class="btn btn-secondary"> ... </button>'
                 . '<div id="'.$sDivId.'" style="display: none;">'
                     . $sContent
                 . '</div>'

public_html/deployment/main.css

@@ -529,6 +529,8 @@ input[type="checkbox"]:checked+label {
     margin: 1em 10px;
 }
 
+.rolloutconfigdiv{margin: 0 0 2em 4em; padding: 1em; background:rgba(255, 255, 255, 0.4);}
+
 /* ----- shell plugins ----- */
 
 .cmdoutbox {