.cocoen{box-sizing:border-box;cursor:pointer;line-height:0;margin:0;overflow:hidden;padding:0;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.cocoen *{box-sizing:inherit}.cocoen ::after,.cocoen ::before{box-sizing:inherit}.cocoen img,.cocoen picture>img{max-width:none}.cocoen>img,.cocoen>picture>img{display:block;width:100%}.cocoen>div:first-child,picture .cocoen>div{height:100%;left:0;overflow:hidden;position:absolute;top:0;width:50%}.cocoen-drag{background:#fff;bottom:0;cursor:ew-resize;left:50%;margin-left:-1px;position:absolute;top:0;width:2px}.cocoen-drag::before{border: 2px solid #fff; content: '';  height: 50px; left: 50%; margin-left: -25px; margin-top: -18px; position: absolute; top: 50%; width: 50px; border-radius: 50%; background: no-repeat center;}