.overlay{position:fixed;width:100%;height:100%;top:0px;left:0px;z-index:100;background-color:#ccc}.overlay:before{opacity:.8}.Absolute-Center{margin:auto;position:absolute;top:0;left:0;bottom:0;right:0}.Absolute-Center.is-Responsive{width:50%;height:50%;min-width:200px;max-width:400px;padding:40px}#learning-form{opacity:1;border:1px dotted black;background-color:white;z-index:1000}