.crs-wrap {
    position: relative;

    box-sizing: border-box;
}

.crs-wrap * {
    box-sizing: border-box;
}

.crs-screen {
    width: 100%;

    height: 100%;

    position: relative;

    overflow: hidden;
}

.crs-screen-roll {
    position: absolute;

    left: 0;

    top: 0;

    height: 100%;

    display: flex;

    flex-wrap: wrap;

    transition: left 0.5s;
}

.crs-screen-item {
    width: 100%;

    height: 100%;

    background-position: center;

    background-size: cover;
}

.crs-screen-item-content {
    width: 100%;

    height: calc(100% - 50px);

    font-family: arial;

    padding: 50px;
}

.crs-bar {
    width: 100%;

    height: 50px;

    position: absolute;

    bottom: 0;

    left: 0;

    padding: 10px;
}

.crs-bar-roll-current {
    width: 68px;

    height: 38px;

    border-radius: 12px;

    border: 2px solid white;

    position: absolute;

    z-index: 1;

    left: 0;

    right: 0;

    margin: auto;

    top: 5px;
}

.crs-bar-roll-wrap {
    height: 30px;

    overflow: hidden;

    border-radius: 8px;

    position: relative;
}

.crs-bar-roll {
    height: 30px;

    display: inline-flex;

    flex-wrap: wrap;

    position: absolute;

    left: 0;

    transition: left 0.2s;
}

.crs-bar-roll-item {
    width: 60px;

    height: 30px;

    border-radius: 8px;

    background-color: #fff;

    background-size: cover;

    background-position: center;

    opacity: 0.85;

    cursor: pointer;
}

.crs-bar-roll-item img {
    width: auto;
    height: 50px;
}

.crs-bar-roll-item:not(:last-child) {
    margin-right: 10px;
}