.acf-block-preview .splitcontent:before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    border-top: 3px dashed #ccc;
}
.acf-block-preview .splitcontent {
    padding: 5% 0;
    margin: 5% 0;
    display: block;
}
.acf-block-preview h2.splitcontent span {
    position: relative;
    background: #fff;
    text-align: center;
    color: #ccc;
    padding: 0 2%;
}
.wp-admin .wp-block-acf-sidebar-break {
    padding: 2% 0 5% 0;
    border: 1px dashed #F4F4F4;
    display: block;
}