.btn {
    padding: 5px 12px;
    font-size: 1.3rem;
}

.btn-red {
    color: #fff;
    background-color: #e51937;
}

.btn.btn-flat {
    border-radius: 0;
}

.btn-small {
    height: 20px;
    font-size: 10px;
    padding: 2px 5px;
}

.btn-orange, .btn-orange:hover {
    color: #fff;
    background: #d44e3a;
}

.btn-gray, .btn-gray:hover {
    color: #fff;
    background: #6d6e70;
    border-color: #6d6e70;
}

.btn-medium {
    height: 25px;
    font-size: 11px;
    padding: 4px 5px;
    text-align: center;
    vertical-align: middle;
}