body{width:100%;height:100%}h1{font-size:3em}.center{text-align:center}#demo{width:100%;height:100%}#right-click-menu{background:#fafafa;border:1px solid #bdbdbd;-webkit-box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 3px 1px -2px rgba(0,0,0,.2),0 1px 5px 0 rgba(0,0,0,.12);box-shadow:0 2px 2px 0 rgba(0,0,0,.14),0 3px 1px -2px rgba(0,0,0,.2),0 1px 5px 0 rgba(0,0,0,.12);display:block;list-style:none;margin:0;padding:0;position:absolute;width:250px;z-index:999999}#right-click-menu li{border-bottom:1px solid #e0e0e0;margin:0;padding:5px 35px}#right-click-menu li:last-child{border-bottom:none}#right-click-menu li:hover{background:#1e88e5;color:#fafafa}