html,body,ul,li {
        margin: 0;
        padding: 0;
    }
    li {
        list-style: none;
    }
    a {
        text-decoration: none;
    }
    .carousel {
        height: 300px;
        margin: 0 auto;
        overflow: hidden;
        position: relative;
      
    }
    .image-carousel{
        /* width: 1900px;
        height: 400px; */
        display: none;
        vertical-align:middle;
        margin:0 auto;
        width:auto;
        height:300px;
        /* box-shadow: 2px 5px 5px 2px #888888; */
    }
    .ct {
        position: relative;
    }
    .ct img {
        height: 390px;
        width: 900px;
    }
    .ct li{
        float: left;
    }
    .bullet {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 10px;
    }
    .bullet li {
        height: 5px;
        width: 30px;
        border-radius: 5px;
        background-color: #fff;
        display: inline-block;
        margin-right: 10px;
        cursor: pointer;
    }
    .active {
        opacity: 0.5;
    }
    .arrow {
        color: rgba(0,0,0,0.3);
        font-size: 80px;
        position: absolute;
        top: 40%;
    }
    .arrow:hover {
        color: rgba(0,0,0,0.9);
    }
    .pre {
        left: 0;
    }
    .next {
        right: 0;
    }
    .clearfix:after {
        content: "";
        display: block;
        clear: both;
    }