Add formatting for video background playback

styles.css

@@ -1,16 +1,26 @@
 body {
     margin: 0;
     padding: 0;
-    display: flex;
     height: 100vh;
-    justify-content: center;
-    align-items: center;
-    background-color: #f0f0f0;
+    overflow: hidden;
     font-family: Arial, sans-serif;
 }
 
+#bg-video {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    transform: translate(-50%, -50%);
+    z-index: -1;
+}
+
 .centered-content {
+    position: relative;
     text-align: center;
+    color: #ffffff;
 }
 
 h1 {