@@ -25,12 +25,36 @@ <h1 contenteditable>🔥WOAH!</h1>
   }
 
   h1 {
-    text-shadow: 10px 10px 0 rgba(0,0,0,1);
     font-size: 100px;
   }
   </style>
 
 <script>
+  const hero = document.querySelector('.hero');
+  const text = hero.querySelector('h1');
+  const walk = 100; // 100px
+
+  function shadow(e) {
+    const { offsetWidth: width, offsetHeight: height } = hero;
+    let { offsetX: x, offsetY: y } = e;
+
+    if (this !== e.target) {
+      x = x + e.target.offsetLeft;
+      y = y + e.target.offsetTop;
+    }
+
+    const xWalk = Math.round((x / width * walk) - (walk / 2));
+    const yWalk = Math.round((x / height * walk) - (walk / 2));
+
+    text.style.textShadow = `
+      ${xWalk}px ${yWalk}px 0 red,
+      ${xWalk * -1}px ${yWalk}px 0 blue,
+      ${xWalk * -1}px ${yWalk * -1}px 0 green,
+      ${xWalk}px ${yWalk * -1}px 0 yellow
+    `;
+  }
+
+  hero.addEventListener('mousemove', shadow);
 </script>
 </body>
 </html>