#aviso {
    background-color: orangered;
    padding: 12px;
    text-align: center;
    color: white;
    font-size: 16px;
    font-family: 'Courier New', Courier, monospace;
    border-radius: 12px;
    border-right: 12px solid black;
    border-left: 12px solid black;
}