#mail-message {
    box-sizing: border-box;
    position: fixed;
    width: 100%;
    height: 75px;
    padding: 0 25px;
    font-size: 1.2em;
    display: flex;
    text-align: center;
    align-items: center;
    justify-content: center;
    top: 0;
    left: 0;
    background-color: #0dacad;
    color: white;
    border: 4px solid white;
    z-index: 6000;
    transition: 0.5s all ease;
}

button:disabled {
    background-color: white;
    color: var(--grey);
}