fix extraneous white space to right of screen on mobile

Author: Raymi306

app/templates/base.html

@@ -9,12 +9,13 @@
 		html, body {
 			background-color: #473845;
 			color: #fcf6de;
-			margin: 2em;
+			margin: 0.3em;
 			font-family: "helvetica", "sans-serif";
+            overflow-x: hidden;
 		}
 		body {
 			max-width: 768px;
-			margin: auto;
+            margin: 0 auto;
 		}
 		p {
 			line-height: 2;