body {
    background-color: gray;
    overflow: hidden;
}

#cubes, .roll {
    text-align: center;
}

#cubeImage {
    max-width: 250px;
    margin: 20px;
    border-radius: 30px;
}

#rollButon {
    font-size: 25px;
}

.bottom {
    position: fixed;
    text-align: center;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    font-size: 10px;
}