.btn-xs {
    padding: 0.3rem;
    font-size: 0.6rem;
}

.btn-s {
    padding: 0.5rem;
    font-size: 0.7rem;
}


.btn-red {
    background-color: #ab0000;
    color: #ffffff;
}

.btn:hover {
    background-color: #ab0000;
}

.btn-red:hover {
    background-color: #840a09;
    color: #fff;
}

.btn-tiny {
    padding: 0.3rem;
}


.btn-red-selected {
    background-color: blue;
}