Update index.html

index.html

@@ -10,7 +10,8 @@
 
   body {
     font-family: 'Tajawal', sans-serif;
-    background: #0f0f1a;
+    background: linear-gradient(135deg, #000000 0%, #0a0a2e 50%, #0d1b4b 100%);
+    min-height: 100vh;
     min-height: 100vh;
     display: flex;
     align-items: center;
@@ -163,7 +164,7 @@
     </div>
 
     <div class="control-group">
-      <label>speed</label>
+      <label>Speed</label>
       <select id="rate">
         <option value="-50%">Very slow</option>
         <option value="-25%">Slow</option>