style.css: Reformat the layout of reference items (#3)

Signed-off-by: Ce Gao <ce.gao@outlook.com>

Author: gaocegege

content/css/style.css

@@ -584,8 +584,8 @@ pre {
 tr.name-row { height: 60px; }
 td p { margin-top: 0; }
 
-.example { clear: both; margin-bottom: 15px; width:600px; }
-.example pre.margin { margin-left: 115px; overflow:scroll; }
+.example img { float: left; margin-right: 15px; margin-bottom: 15px; }
+.example { clear: both; margin-bottom: 15px; }
 .example pre.margin { margin-left: 115px; }
 hr.noshade { height: 0px; color: #f1f1f1; border-color: #e0e0e0; margin: 30px 0 30px 0; clear: both; }