fix border

src/components.js/Canvas.js

@@ -11,8 +11,11 @@ export const Canvas = () => {
   })
 
   return (
-    <div className={styles.border}>
-      <canvas width={500} height={400} ref={canvasRef} />
-    </div>
+    <canvas
+      className={styles.border}
+      width={500}
+      height={400}
+      ref={canvasRef}
+    />
   )
 }