.container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    height: 300px;
}

.imgs img {
    position: absolute;
    cursor: pointer;
    top: 0;
}

.imgs img {
}

.circle {
    width: 100%;
    height: 20px;
    position: absolute;
    bottom: -20px;
    left: 0px;
    text-align: center;
    cursor: pointer;
}

    .circle b {
        display: inline-block;
        width: 11px;
        height: 8px;
        background-color: rgba(71,86,102);
        border-radius: 1px;
    }

    .circle .current {
        background-color: rgba(117,128,140);
    }

    .circle b:hover {
        background-color: rgba(117,128,140);
    }

.btn {
    position: absolute;
    top: 40%;
    width: 50px;
    height: 100px;
    color: rgba(21,33,54);
    font-weight: bold;
    /* opacity: 0.5; */
    text-align: center;
    line-height: 100px;
    font-size: 60px;
    cursor: pointer;
    border-radius: 10px;
}

    .btn:hover {
        background-color: rgba(42,60,91,0.5);
    }

.left {
    left: -50px;
}

.right {
    right: -50px;
}

.imgs img {
    width: 74%;
    height: auto;
    display: inline-block;
    text-align: center;
    margin: 0 auto;
    margin-left: 12%;
}