body {
    margin: 10px;
}

#box {
    position: absolute;
    width: 400px;
    height: 400px;
    background-color: #e0e0c0;
    top: 100px;
    overflow: hidden;
}
#holder {
    position: absolute;
    width: auto;
    height: 400px;
}
.boxes {
    position: relative;
    width: 398px;
    height: 400px;
    border-right: 2px solid blue;
    float: left;
}
.year {
    position: relative;
    float: left;
    border-right: 1px solid #b3b3b3;
    height: 13px;
    line-height: 40px;
    min-width: 7.4px;
}
.year:first-child {
    border-left: 1px solid blue;
}
#trackWrapper {
    position: relative;
    top: 10px;
    width: auto;
}
#trackWrapper .track {
    position: absolute;
    margin: 0;
    padding: 0;
    list-style-type: none;
    top: 21px;
    width: auto;
}
#trackWrapper .slider1, #trackWrapper .slider2 {
    position:absolute;
}
#trackWrapper .slider1 {
    /*background-color: green;*/
    /*background-image: url("data:image/svg+xml,%3Csvg width='1em' height='1em' viewBox='0 0 16 16' class='bi bi-chevron-compact-down' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' d='M1.553 6.776a.5.5 0 0 1 .67-.223L8 9.44l5.776-2.888a.5.5 0 1 1 .448.894l-6 3a.5.5 0 0 1-.448 0l-6-3a.5.5 0 0 1-.223-.67z'%3E%3C/path%3E%3C/svg%3E");*/
    background-image: url("data:image/svg+xml,%3Csvg width='1.5em' height='1.5em' viewBox='0 0 16 16' class='bi bi-caret-down-fill' fill='currentColor' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: 25px 25px;
    width: 25px;
    height: 25px;
    top: -8px;
    left: 0px;
    cursor: grab;
}
#trackWrapper .slider1:active {
    cursor: grabbing;
}
#trackWrapper .slider2 {
    background-color: orange;
    width: 12px;
    height: 10px;
    top: 37px;
    left: 220px;
    /*
    display: none;
    */
}
/*#msg {*/
/*    position: absolute;*/
/*    left: 480px;*/
/*    top: 80px;*/
/*    height: 1.0em;*/
/*}*/
.timeline{
    position: absolute;
    bottom: 0;
    width: 1920px;
    height: 80px;
    margin: 0 auto;
    background-color: rgba(250, 235, 215, 0.7);
}
.main_content_wrap{
    width: 1920px;
    height: 937px;
    margin: 0;
    padding: 0!important;
}
#imageBox{
    position: absolute;
    width: 1920px;
    height: 937px;
    overflow: hidden;
    margin:0;
    padding: 0;
}