@charset "utf-8";
.container{
    position: relative;
    width: 900px;
    margin: 0 auto;
    /* border: 2px solid red; */
}
#main{
    position: relative;
    width: 100%;
    height: 400px;
    border: 1px solid #000;
}
#main img{
    width: 100%;
    /* border: 2px solid yellow; */
}
#range{
    position: absolute;
    width: 100%;
    top: 5%;
    height: 200px;
    z-index: 2;
    cursor: grabbing;
    opacity: 0;
}