* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;

}
#canvas{
    
    width: 100%;
    height:100%;
    /* width: 100%;
    height: 100%; */
    border: 4px solid;
    /* background: linear-gradient(to bottom, lightblue, darkblue) */
}