.vertical-lines {
    background-color: transparent;
    height: 100%;
    left: calc(50% - (1140px / 2));
    position: fixed;
    top: 0;
    bottom:0;
    width: 1140px;
}


.vertical-lines .vertical-line {
    border-left: 1px dashed #EFEFEF;
    display: block;
    height: 100%;
    position: absolute;
}

.vertical-lines .vertical-line:nth-child(1) {
    left: 0;
}

.vertical-lines .vertical-line:nth-child(2) {
    left: 33.33333%;
}


.vertical-lines .vertical-line:nth-child(3) {
    left: 66.66667%;
}


.vertical-lines .vertical-line:nth-child(4) {
    left: 100%;
}