diff --git a/index.html b/index.html
index 8cbd008..02bae4a 100644
--- a/index.html
+++ b/index.html
@@ -93,6 +93,7 @@ function follow(e) {
     <ul>
      <li title="Agregar aerogenerador" onclick="ws.addWindMill();">+</li>
      <li title="Quitar aerogenerador" onclick="ws.removeWindMill();">-</li>
+     <li title="Pantalla completa" onclick="if(!document.fullscreenElement) { document.body.requestFullscreen(); this.innerHTML = '⬄'; } else { document.exitFullscreen(); this.innerHTML = '⬌' }">⬌</li>
      <li title="Sobre SAPE" class="sel" onclick="help();" style="cursor: help">?</li>
     </ul>
     <div id="button" onclick="ws.simulate();">¡SIMULAR!</div>
diff --git a/style.css b/style.css
index 85a1a0d..3915958 100644
--- a/style.css
+++ b/style.css
@@ -3,13 +3,16 @@
     padding: 0;
 }
 
+html, body {
+    overscroll-behavior-y: none;
+}
+
 body {
     margin: 0;
     font-family: "Encode Sans", sans-serif;
     font-weight: 500;
     font-size: 4vh;
     color: #fff;
-    overscroll-behavior-y: contain;
 }
 
 a {