html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: rgb(244, 244, 244);
}

.scrollBox {
    /* width: calc(50% - 20px); */
    float: left;
    /* border: 1px solid #e8e8e8; */
    background: #FFF;
    box-sizing: border-box;
    /* margin: 10px 0 10px 10px; */
    height: 125px;
    overflow: auto;
    padding-right: 0px !important
        /* padding: 10px; */
}

.scrollBox:nth-of-type(2n) {
    margin-right: 10px;
}

.scrollBox:nth-of-type(3),
.scrollBox:nth-of-type(4) {
    margin-top: 0;
}

.contentBox1 {
    width: 100%;
    height: 420px;
    background-image: url("../images/1.png");
    background-size: cover;
    background-repeat: no-repeat;
}

.contentBox11 {
    width: 100%;
    height: 120px;
    background-image: url("../images/1.png");
    background-size: cover;
    background-repeat: no-repeat;
}

.contentBox2 {
    width: 1200px;
    height: 100%;
    background-image: url("../images/2.png");
    background-size: cover;
    background-repeat: no-repeat;
}

.contentBox3 {
    width: 1200px;
    height: 900px;
    background-image: url("../images/2.png");
    background-size: cover;
    background-repeat: no-repeat;
}