.qb-nl-sm {
    height: 5px;
}

.qb-nl-md {
    height: 15px;
}

.qb-nllg {
    height: 30px;
}

.icon-preview {
    font-size: 128px;
    color: #444;
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.icon-preview-col {
    top: 30px;
    text-align: center;
    border: 1px dashed #bbb;
    height: 155px
}