#sign-up {
    background-color: #00a2df;
    transition: background-color .2s ease-in-out;
}
#sign-up:hover {
    background-color: #001f3d;
}
#footer {
    background-color: #001f3d;
}
a {
    text-decoration: underline;
}
a:hover {
    text-decoration: none;
}
.error[data-type="validator-error"] {
    display: block;
    background-color: #e84855;
    color: white;
    padding: .5em 1em;
    border-radius: 8px;
    font-size: .8em;
    margin-top: .5em;
}