Update PR guideline page

Author: Dhruvi16

content/contributing-code/pr-guidelines/contents.lr

@@ -1,13 +1,13 @@
 _model: page
 ---
-_template: page.html
+_template: page-with-toc.html
 ---
 title: Pull Request Guidelines
 ---
+description: We ask that contributors to CC projects submit a pull request with your changes. If you're not familiar with pull requests, please read [this GitHub documentation](https://help.github.com/en/articles/about-pull-requests). Here are our expectations for pull requests; following them will expedite the process of merging your code in.
+---
 body:
 
-We ask that contributors to CC projects submit a pull request with your changes. If you're not familiar with pull requests, please read [this GitHub documentation](https://help.github.com/en/articles/about-pull-requests). Here are our expectations for pull requests; following them will expedite the process of merging your code in.
-
 Read and follow the contributing guidelines and code of conduct for the project. Here are screenshots of where to find them for [first time contributors](first-time-contributor-resources.png) and [previous contributors](previous-contributor-resources.png).
 
 * **Make A Branch**

webpack/sass/main.scss

@@ -21,8 +21,10 @@ a {
   }
 
   h1,h2,h3,h4,h5,h6 {
-    @extend .padding-top-large;
-    @extend .padding-bottom-small;
+    &:not(:first-of-type) {
+      @extend .padding-top-large;
+      @extend .padding-bottom-small;
+    }
   }
 
   ol,ul {
@@ -480,6 +482,7 @@ a {
 
     .content {
       @extend .padding-bottom-xxl;
+      @extend .padding-top-larger;
     }
   }
 }