revert these width changes, things weren't correct because of not

putting the content in a section tag meaning the css wasn't being
applied like it should..

content/media/css/tufte.css

@@ -45,7 +45,7 @@ html {
 }
 
 body {
-    width: 83.5%;
+    width: 87.5%;
     margin-left: auto;
     margin-right: auto;
     padding-left: 12.5%;
@@ -114,7 +114,6 @@ article {
 }
 
 section {
-    padding-right: 5%;
     padding-top: 1rem;
     padding-bottom: 1rem;
 }
@@ -344,7 +343,7 @@ h3 > code {
 
 pre > code {
     font-size: 0.9rem;
-    width: 77.5%;
+    width: 52.5%;
     margin-left: 2.5%;
     overflow-x: auto;
     display: block;