Update assets/styles.css

assets/styles.css

@@ -5,13 +5,18 @@ body {
   padding: 0;
 }
 
-h1 {
-  color: #333;
+video,
+canvas {
+  position: relative;
+  width: 640px;
+  height: 480px;
+  border: 1px solid #ccc;
+  margin-top: 10px;
 }
 
-video, canvas {
-  border: 2px solid #333;
-  margin: 20px;
-  max-width: 90%;
-  height: auto;
+button {
+  padding: 10px 20px;
+  font-size: 16px;
+  cursor: pointer;
+  margin-top: 20px;
 }