html, body {
    margin: 0;
    padding: 0;
}

canvas {
    display: block;
}

.button-start {
    font-family: 'Luckiest Guy', cursive;
    padding: 1rem 1.25rem;
    font-size: 1.5rem;
    letter-spacing: .25rem;
    box-shadow: 2px 2px 0px 1px #4a4c69;
    text-transform: uppercase;
    background-color: #8386b5;
    border: none;
    border-radius: .75rem;
    color: #fff;
}
    .button-start:hover {
        background-color: #ffc0c1;
        box-shadow: 2px 2px 0px 1px #b58a8a;
    }