diff --git a/github-markdown.css b/github-markdown.css
index 57c63c7..e197e59 100644
--- a/github-markdown.css
+++ b/github-markdown.css
@@ -335,7 +335,8 @@
 .markdown-body pre {
   margin-top: 0;
   margin-bottom: 0;
-  font: 12px "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
+  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
+  font-size: 12px;
 }
 
 .markdown-body .octicon {
@@ -591,6 +592,14 @@
   background-color: #fff;
 }
 
+.markdown-body img[align=right] {
+  padding-left: 20px;
+}
+
+.markdown-body img[align=left] {
+  padding-right: 20px;
+}
+
 .markdown-body code {
   padding: 0;
   padding-top: 0.2em;