diff --git a/README.md b/README.md
index dc1a6a6..41a729f 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,8 @@ Modern and complete HTML5 template to start your web pages
 			<meta property="og:image:alt" content="A shiny red apple with a bite taken out">
 			<!-- Normalizador: Equilibra los estilos entre los Navegadores -->
 			<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.min.css">
+		        <!-- Symbiosis: Arregla problemas en versiones de Smartphone -->
+                        <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/sapps-studio/symbiosis-css/symbiosis.min.css">
 			<!-- Tus archivos CSS -->
 			<link rel="stylesheet" type="text/css" href="css/main.css">
 		</head>