.b-diff {
    position: relative;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.b-diff img {
    max-width: 100%;
}

.b-diff__item {
    position: absolute;
    top: 0;
    left: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.b-diff__item:nth-child(1) {
    z-index: 1;
}

.b-diff__item:nth-child(2) {
    z-index: 2;
}

.b-diff__control {
    position: absolute;
    z-index: 3;
    height: 100%;
    padding: 0 18px;
}

.b-diff__control:hover {
    cursor: col-resize;
}

.b-diff__control:hover .b-diff__arrow_left {
    -webkit-transform: translate3d(-5px, 0, 0);
    transform: translate3d(-5px, 0, 0);
}

.b-diff__control:hover .b-diff__arrow_right {
    -webkit-transform: translate3d(5px, 0, 0);
    transform: translate3d(5px, 0, 0);
}

.b-diff__line {
    height: 100%;
    width: 4px;
    background: #f5f5f5;
}

.b-diff__arrow {
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    -webkit-transition: transform .3s ease;
    transition: transform .3s ease;
    -webkit-transform: translate3d(0px, 0, 0);
    transform: translate3d(0px, 0, 0);
}

.b-diff__arrow_left {
    left: 0px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 10px solid #f5f5f5;
}

.b-diff__arrow_right {
    right: 0px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid #f5f5f5;
}

.b-diff__title {
    background: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    font-size: 16px;
    line-height: 20px;
    position: absolute;
    padding: 5px 10px;
    z-index: 2;
    max-width: 100%;
    word-wrap: break-word;
}

.b-diff__title_before {
    right: 0px;
    top: 0px;
}

.b-diff__title_after {
    left: 0px;
    top: 0px;
}