div.dt-button-info{position:fixed;top:50%;left:50%;width:400px;margin-top:-100px;margin-left:-200px;background-color:white;border:2px solid #111;box-shadow:3px 3px 8px rgba(0,0,0,0.3);border-radius:3px;text-align:center;z-index:21}div.dt-button-info h2{padding:0.5em;margin:0;font-weight:normal;border-bottom:1px solid #ddd;background-color:#f3f3f3}div.dt-button-info>div{padding:1em}ul.dt-button-collection.dropdown-menu{display:block;z-index:2002;-webkit-column-gap:8px;-moz-column-gap:8px;-ms-column-gap:8px;-o-column-gap:8px;column-gap:8px}ul.dt-button-collection.dropdown-menu.fixed{position:fixed;top:50%;left:50%;margin-left:-75px}ul.dt-button-collection.dropdown-menu.fixed.two-column{margin-left:-150px}ul.dt-button-collection.dropdown-menu.fixed.three-column{margin-left:-225px}ul.dt-button-collection.dropdown-menu.fixed.four-column{margin-left:-300px}ul.dt-button-collection.dropdown-menu>*{-webkit-column-break-inside:avoid;break-inside:avoid}ul.dt-button-collection.dropdown-menu.two-column{width:300px;padding-bottom:1px;-webkit-column-count:2;-moz-column-count:2;-ms-column-count:2;-o-column-count:2;column-count:2}ul.dt-button-collection.dropdown-menu.three-column{width:450px;padding-bottom:1px;-webkit-column-count:3;-moz-column-count:3;-ms-column-count:3;-o-column-count:3;column-count:3}ul.dt-button-collection.dropdown-menu.four-column{width:600px;padding-bottom:1px;-webkit-column-count:4;-moz-column-count:4;-ms-column-count:4;-o-column-count:4;column-count:4}div.dt-button-background{position:fixed;top:0;left:0;width:100%;height:100%;z-index:2001}

.dt-button-collection{   
    width: 200px;
    background: #FAFAFA;
    border: 1px solid #E0E0E0;
    
}
ul.dt-button-collection > li > a {
    color: #ddd;
    padding: 7px 10px;
}



.dt-button-collection > .active > a {
    background: #fff;
    color: #0398DB;
}

.dt-button-collection > .active > a:hover {
    background: #eee;
    color: red;
}