.orange-btn {
    background-color: #f57c00;
    color: #fff;
    border: 1px solid #f57c00;
}

.orange-btn:hover,
.orange-btn:focus {
    background-color: #ef6c00;
    border-color: #ef6c00;
    color: #fff;
}

.orange-btn-outline {
    background-color: transparent;
    color: #f57c00;
    border: 1px solid #f57c00;
}


.btn-group .btn + .btn {
    margin-left: 8px;
}