input.vanadium-valid {
    background-color: greenyellow;
}

input.vanadium-invalid {
    background-color: pink;
}

#messages {
    height: 70px;
    padding: 0;
    border-color: yellow;
}

input.vanadium-valid ~ .vanadium-valid-advice {
    display: inline !important;
    color: green;
}