body {
    width: 720px;
    height: 540px;
    background-color: rgb(0, 110, 255);
    display: grid;
    justify-content: center;
    transition: background-color 1s;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.container {
    display: grid;
    justify-content: center;
    grid-template-rows: 1fr 1fr;
    height: 540px;
    width: 720px;
    border: solid 1px purple;
}

canvas {
pointer-events: none;
}


.content   {
    text-align: center;

}

a {
    background: white;
    padding: 1em;
    text-decoration: none;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: black;
    font-weight: bold;
    border-radius: .3em;
    width: 30%;
    display: inline-block;
    transition: background-color .3s;
}