body {
    margin:0;
    font-family: Arial;
    text-align:center;
    background: linear-gradient(#e6f754, #c93c3c);
}

canvas {
    display:block;
    margin:0 auto;
    background:#df2020;
    border:2px solid #333;
}


.screen {
    position:absolute;
    width:100%;
    top:35%;
}

h1 {
    font-size:40px;
    color:#222;
    text-shadow:2px 2px 5px rgba(0,0,0,0.3);
}

button {
    padding:12px 25px;
    margin:8px;
    font-size:18px;
    border:none;
    border-radius:8px;
    cursor:pointer;
    background: linear-gradient(#911e61, #380413);
    color:rgb(177, 161, 161);
    box-shadow:0 4px 8px rgba(0,0,0,0.2);
    transition:0.2s;
}

button:hover {
    transform:scale(1.05);
    background: linear-gradient(#df2020, #5c12a1);
}