Update style.css

style.css

@@ -7,17 +7,13 @@
 body {
     background-color: #121212;
     font-family: 'Arial', sans-serif;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    height: 100vh;
+    overflow: hidden;
 }
 
 .game-container {
     position: relative;
     width: 100vw;
     height: 100vh;
-    overflow: hidden;
 }
 
 .player {
@@ -29,6 +25,7 @@ body {
     background-color: #00ff00;
     border-radius: 50%;
     transform: translateX(-50%);
+    animation: movePlayer 2s infinite alternate;
 }
 
 .falling-ball {
@@ -49,4 +46,22 @@ body {
     100% {
         top: 100vh;
     }
+}
+
+@keyframes movePlayer {
+    0% {
+        left: 50%;
+    }
+    25% {
+        left: 30%;
+    }
+    50% {
+        left: 70%;
+    }
+    75% {
+        left: 30%;
+    }
+    100% {
+        left: 50%;
+    }
 }