Untitled

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>prot. project</title>
    <link rel="stylesheet" href="./styles/index_style.css">
</head>
<body>
    <canvas id="gameCanvas" width="600" height="400"></canvas>
    <script src="script.js"></script>
</body>
</html>

index_style.css

.player {

    fill: red;

}

canvas {

    border: 1px solid black;

}