diff --git a/css/rwd.css b/css/rwd.css
index 4eef669..1395f57 100644
--- a/css/rwd.css
+++ b/css/rwd.css
@@ -1,4 +1,28 @@
 
+/* ----------------------------- */
+/* ==viewport fixing for RWD     */
+/* ----------------------------- */
+@-webkit-viewport {
+	width: device-width;
+	zoom: 1.0;
+}
+@-moz-viewport {
+	width: device-width;
+	zoom: 1.0;
+}
+@-ms-viewport {
+	width: device-width;
+	zoom: 1.0;
+}
+@-o-viewport {
+	width: device-width;
+	zoom: 1.0;
+}
+@viewport {
+	width: device-width;
+	zoom: 1.0;
+}
+
 /* ----------------------------- */
 /* ==desktop and retina medias   */
 /* ----------------------------- */