Update index.html

index.html

@@ -25,17 +25,18 @@
 				color: #fff;
 			}
 
-			@media (max-width: 450px) {
+			@media (max-width: 400px) {
 				body {
 					font-size: 12px;
-					position: fixed;
+					position: relative;
 					top: 0;
 					left: 0;
 					width: 100vw;
 					height: 100vh;
 				}
 				canvas {
-					position: fixed;
+                    inset:0;
+					position: absolute;
 					top: 50%;
 					left: 50%;
 					transform: translate(-50%, -50%);