.error-message {
    display: none;
    margin-top: 0.6rem;
    padding: 0.3rem 1rem;
    border-radius: 5px;
    font-size: 1.2em;
    font-weight: 500;
    color: #FFF;
    background: #c50000;
    position: absolute;
}

.error-message:after {
    content: "";
    position: absolute;
    top: -1rem;
    left: 2rem;
    border-style: solid;
    border-color: transparent transparent #c50000;
    border-width: 5px;
}