body {
    font-family: Calibri;
    margin: 0;
    padding: 0;
    overflow: hidden;
    user-select: none;
    background-color: #00ff00;
    background-image: url("assets/bg.png");
    background-size: 100%;
    background-position: center top;
    background-repeat: no-repeat;
}

canvas {
    border: solid;
    background-color: #ffffff;
}

a {
    color: red;
    text-decoration: none;
    transition: all ease-in-out 0.5s;
}

a:hover {
    color: magenta;
}

a:active {
    color: purple;
}
       
#back {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}