body {
    background-color: var(--bs-secondary) !important;
}

body #main {
    display: flex;
    width: 100vw;
    max-width: 500px;
    height: 100vh;
    text-align: center;
    align-items: center;
    justify-content: center;
    margin: auto;
}

/* Alert */
div.alert ul,
div.alert ul li {
    text-align: left;
}

div.alert ul {
    margin-bottom: 0;
}