#click-me 
{
    position: absolute; /* ou fixed */
    top: 50%;
    left: 50%;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: white;
}

#click-me:hover {
    background-color: #0056b3;
}

#click-me:active {
    background-color: #003d80;
}