docs/GettingStarted.html: Tweak style.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135637 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GettingStarted.html b/docs/GettingStarted.html
index 5465376..5215784 100644
--- a/docs/GettingStarted.html
+++ b/docs/GettingStarted.html
@@ -802,13 +802,13 @@
   now mirrors reflect only <tt>trunk</tt> for each project. You can do the
   read-only GIT clone of LLVM via:</p>
 
-<pre>
+<pre class="doc_code">
 git clone http://llvm.org/git/llvm.git
 </pre>
 
 <p>If you want to check out clang too, run:</p>
 
-<pre>
+<pre class="doc_code">
 git clone http://llvm.org/git/llvm.git
 cd llvm/tools
 git clone http://llvm.org/git/clang.git
@@ -817,7 +817,7 @@
 <p>To set up clone from which you can submit code using
    <tt>git-svn</tt>, run:</p>
 
-<pre>
+<pre class="doc_code">
 git clone http://llvm.org/git/llvm.git
 cd llvm
 git svn init https://llvm.org/svn/llvm-project/llvm/trunk --username=&lt;username>
@@ -836,7 +836,7 @@
 <p>To update this clone without generating git-svn tags that conflict
 with the upstream git repo, run:</p>
 
-<pre>
+<pre class="doc_code">
 git fetch && (cd tools/clang && git fetch)  # Get matching revisions of both trees.
 git checkout master
 git svn rebase -l
@@ -856,7 +856,7 @@
 dcommit</code> stops working, complaining about files with uncommitted
 changes. The fix is to rebuild the metadata:</p>
 
-<pre>
+<pre class="doc_code">
 rm -rf .git/svn
 git svn rebase -l
 </pre>