.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: #42cb35;
    bottom: 0;
    cursor: ew-resize;
    left: 50%;
    margin-left: -1px;
    position: absolute;
    top: 0;
    width: 3px
}

.cocoen-drag::before {
    border: 3px solid #42cb35;
    background: #42cb35;
    content: '\2194';
    font-weight: bold;
    color: white;
    text-align: center;
    height: 50px;
    border-radius: 50%;
    padding-top: 8px;
    left: 50%;
    transform: translateX(-50%);
    margin-top: -18px;
    position: absolute;
    top: 50%;
    width: 50px;
    vertical-align: center;
    font-size: 30px;
}