Update file style.scss

assets/css/style.scss

@@ -117,4 +117,18 @@ div.highlight button:hover {
 }
 .footnotes p {
     margin: 0;
-}
+    text-indent: 0;
+}
+
+.wrapper{
+    width: 90%;
+}
+header{
+    width: 25%;
+}
+footer{
+    width: 25%;
+}
+section{
+    width: 65%;
+}