.background-color-dark {
    background-color: rgba(34, 34, 34, 1);
}

.background-color-light-dark {
    background-color: rgba(34, 34, 34, 0.4);
}

.btn-arbra {
    color:aqua;
    font-size: 25px;
}

.btn:focus {
    outline: none;
    box-shadow: none;
}