* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}

body {
    display: flex;
    justify-content: center;
    align-items: center;
}

.canvas-container {
    width: 100vw;
    height: 100vh;
    position: relative;
}

canvas {
    border: 2px solid;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;


}