.vh-75 {
    height:75vh;
}

.vh-50 {
    height: 50vh;
}

.vh-25 {
    height: 25vh;
}

.bg-fixed-center {
    background-position:center;
    background-attachment:fixed;
    background-size:cover;
}

.bg-unset-center {
    background-position: center;
    background-attachment: unset;
    background-size: cover;
}

.rdr-help-0 {
    border-radius: 0 !important;
}