.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: 3px;
}

    .cocoen-drag::before {
        /*border: 3px solid #fff;
        content: '';
        height: 30px;
        left: 50%;
        margin-left: -7px;
        margin-top: -18px;
        position: absolute;
        top: 50%;
        width: 14px;*/
    }