nav {
    position: sticky;
    top: 0;
    height: 100vh;
}

.alert:empty {
    display: none;
}

.justify-self-start {
    justify-self: start;
}

.justify-self-center {
    justify-self: center;
}

.justify-self-end {
    justify-self: end;
}

.rules {
    text-align: left;
}

.forgot-password-link {
    display: block;
    text-align: left;
    margin-bottom: 10px;
}

.back-to-sign-in-link {
    display: block;
    margin-top: 10px;
}