*{
    margin: 0;
    padding: 0;
}
.timeline{
    overflow-x: scroll;
    height: 400px;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}
.holder{
    position: relative;
    margin: 80px 0;
    width: 250px;
}
.line{
    position: relative;
    width: 100%;
    height: 5px;
    background-color: #000;
    z-index: 0;
}
.action{
    position: absolute;
    right: 0;
    width: 30px;
    height: 30px;
    background-color: #000;
    right: 0;
    top: 0;
    transform: translate(100%,-40%);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    z-index: 100;
}
.timeline_label_top{
    position: absolute;
    right: 0;
    top: 0;
    transform: translate(60%,40px);
    text-align: center;
    font-size: 13px;
}
.timeline_label_bottom{
    position: absolute;
    right: 0;
    bottom: -8px;
    transform: translate(60%,-40px);
    text-align: center;
    font-size: 13px;
}
.label_offices{
    position: relative;
    background-color: #FFA900;
    padding: 5px;
    width: 200px;
    font-size: 13px;
}
.arrow-up {
    position: absolute;
    width: 0; 
    height: 0; 
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #FFA900;
    top: 0;
    left: 0;
    transform: translate(85px,-10px);
}
.arrow-down {
    position: absolute;
    width: 0; 
    height: 0; 
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #FFA900;
    bottom: 0;
    left: 0;
    transform: translate(85px,10px);
}