body{ background-color:#002529; overflow:hidden; } body, html { height: 100%; width: 100%; margin: 0; padding: 0; } .container{ width:100%; height:100%; } .arrow-middle-null, .arrow-left-null, .arrow-right-null { position:absolute; } svg{ width:50%; height:50%; max-width:250px; max-height:250px; cursor:pointer; } .outline{ opacity:0; } .outline-bg{ opacity:0.02; }