--- a/css/main.css
+++ b/css/main.css
@@ -1,3 +1,7 @@
+/**
+ * @copyright     Copyright(C) 2015 4customers
+ * @author        Markus Bröker<broeker.markus@googlemail.com>
+ */
 html, body, p, textarea, input, select {
     margin: 0;
     padding: 0;
@@ -76,4 +80,55 @@
 
 .form-inline .form-group {
     max-width: 49%;
+}
+
+.promo {
+    margin-top: 10px;
+
+    font-weight: bold;
+    font-size: 2em;
+}
+
+/* Fluid Iframe starts */
+.wrapper {
+    position: relative;
+
+    width: 75%;
+    height: 100%;
+
+    padding-bottom: 38%;
+
+    margin-left: auto;
+    margin-right: auto;
+
+    text-align: center;
+}
+
+.iframe {
+    position: absolute;
+
+    width: 100%;
+    height: 100%;
+}
+
+.iframe iframe {
+    position: relative;
+
+    width: 100%;
+    height: 100%;
+}
+/* Fluid Iframe ends */
+
+@media screen and (max-width: 480px) {
+    body {
+        font-size: 1.25em;
+    }
+
+    .form-group button {
+        width: 100%;
+    }
+
+    .wrapper {
+        height: 220px;
+    }
 }
\ No newline at end of file