Update app.py

app.py

@@ -223,7 +223,7 @@ TEXTURE_URL = "https://upload.wikimedia.org/wikipedia/commons/7/70/Solarsystemsc
 # -----------------------------
 def mars_html(texture_url=TEXTURE_URL):
     return f"""
-<div id="mars-container" style="width:100%;height:420px;position:relative;border-radius:12px;overflow:hidden">
+<div id="mars-container" style="width:100%;height:420px;position:relative;background:#01010A;border-radius:12px;overflow:hidden">
   <canvas id="mars-canvas" style="display:block;width:100%;height:100%"></canvas>
 </div>
 <script type="module">
@@ -241,7 +241,7 @@ function init() {{
   renderer.setSize(w, h, false);
 
   scene = new THREE.Scene();
-  camera = new THREE.PerspectiveCamera(35, w/h, 0.1, 100);
+  camera = new THREE.PerspectiveCamera(55, w/h, 0.1, 100);
   camera.position.set(0, 0, 5.0);
 
   // Iluminación tipo amanecer marciano