.tips {
    font-size: 12px;
    color: gray;
    padding: 4px 0;
}

.margin-2 {
    margin: 2px 0 !important;
}

.no-margin {
    margin: 0 !important;
}

.no-padding {
    padding: 0 !important;
}

.full-height {
    height: 100% !important;
}