.o-hb-border-preview {
    display: inline-block;
    width: 100%;
    max-width: calc(100% - .5rem);
    margin-bottom: 2px;
    border-width: 4px;
    border-bottom: none !important;

    .o-overlay-item & {
        margin: (map-get($spacers, 3) * .8) 0;
        max-width: none;
    }
}