diff --git a/dencode.css b/dencode.css
index b1a927e..e13a5cc 100644
--- a/dencode.css
+++ b/dencode.css
@@ -1,5 +1,38 @@
 @import url(http://fonts.googleapis.com/css?family=Open+Sans:300,600&subset=latin,latin-ext);
 
+@media (max-width: 800px) {
+	body {
+		margin: 0;
+		padding: 0;
+	}
+
+	h1 {
+		margin: 0;
+	}
+
+	div.wrapper {
+		border-radius: 0;
+		margin-left: 0;
+		margin-right: 0;
+	}
+
+	textarea.input {
+		border-radius: 0;
+	}
+}
+
+@media (min-width: 801px) {
+	div.wrapper {
+		border-radius: 0.5em;
+		margin-left: auto;
+		margin-right: auto;
+		width: 50%;
+	}
+
+	textarea.input {
+		border-radius: 0.5em;
+	}
+}
 body {
 	font-family: 'Open Sans', sans-serif;
 	font-weight: 300;
@@ -17,19 +50,14 @@ strong {
 div.wrapper {
 	background-color: #fc0;
 	border-color: #da0;
-	border-radius: 0.5em;
 	border-style: solid;
 	border-width: 1px;
 	box-shadow: 0 0 1px 1px #ea0 inset;
 	margin-bottom: 0.5em;
-	margin-left: auto;
-	margin-right: auto;
 	padding: 0.5em;
-	width: 50%;
 }
 
 textarea.input {
-	border-radius: 0.5em;
 	border-style: solid;
 	border-width: 1px;
 	display: block;