body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    text-align: center;
    background-color: rgb(81, 74, 64);
    margin: 0;
    padding: 0;
}

#mybutton {
    padding: 5px 25px;
    font-size: 7em;
    font-weight: 400;
    background-color: rgb(8, 8, 70);
    border-radius: 30px;
    width: 4em;
    height: 150px;
    text-align: center;
    cursor: pointer;
    display: inline-block;
}

/* Responsive Styles */
.labels {
    font-size: 9em;
    color: rgb(65, 3, 3);
    padding-bottom: 3em;
    font-weight: 800;
}

/* Media Queries for Mobile Devices */
@media (max-width: 768px) {
    #mybutton {
        font-size: 5em;
        width: 6em;
        height: 100px;
    }

    .labels {
        font-size: 6em;
        padding-bottom: 2em;
    }
}

@media (max-width: 480px) {
    #mybutton {
        font-size: 4em;
        width: 5em;
        height: 80px;
    }

    .labels {
        font-size: 4em;
        padding-bottom: 1em;
    }
}