#container-form {
    background-color: rgba(238, 238, 238, 0.671);
    box-shadow: 5px 5px 30px 0px gray;
    border: 1px solid gray;
    border-radius: 0.5rem;
}

@media(max-width: 576px) {
    #container-form {
        background-color: rgba(238, 238, 238, 0.671);
        max-width: 95%;
    }
}

select:required:invalid {
    color: rgba(33, 37, 41, 0.75);
}

option[value=""][disabled] {
    display: none;
}

option {
    color: black;
}

#light-btn {
    margin-right: 20px;
    border: 1px solid var(--bs-primary);
}