.db-form {
    margin-bottom: 20px;
}

main {
    margin-top: 20px;
}

html, body {
    font-family: 'Courier New', Courier, monospace;
    font-size: 15px;
}

@media all and (min-width: 992px) {
    .nav-link:hover {
        background-color: rgb(88, 90, 87);
        border-radius: 10px;
    }
    .nav-link:active {
        background-color: rgb(0, 255, 170);
    }
}