.cloud {
    position: relative;
}
.cloud1 {
    position: absolute;
    width: 90px;
    top: 0;
    left: 50px;
}
.cloud2 {
    position: absolute;
    width: 90px;
    top: 0;
    right: 50px;
}

/* 水平分割线 */
.horizontal-line {
    margin: 30px auto;
    width: 85%;
    height: 20px;
    border-radius: 10px;
    /* border: solid 1px red; */
    background: #b57f38;
}