* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}
body {
    background-color: grey;
}
main {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.p5Canvas {
    border: 0px solid rgb(128, 128, 128);
}