fix empty lines

Author: rtfpessoa

dist/diff2html.css

@@ -3,7 +3,7 @@
  * Diff to HTML (diff2html.css)
  * Author: rtfpessoa
  * Date: Friday 29 August 2014
- * Last Update: Sunday 14 September 2014
+ * Last Update: Saturday 27 September 2014
  *
  */
 
@@ -109,8 +109,7 @@
     display: inline-block;
     margin-top: -1px;
     text-decoration: none;
-    background-color: #f99;
-    font-weight: 700;
+    background-color: #ffb6ba;
     border-radius: 0.2em;
 }
 
@@ -119,8 +118,7 @@
     display: inline-block;
     margin-top: -1px;
     text-decoration: none;
-    background-color: #6f7;
-    font-weight: 700;
+    background-color: #97f295;
     border-radius: 0.2em;
 }
 
@@ -174,12 +172,12 @@
 }
 
 .d2h-del {
-    background-color: #f7c8c8;
+    background-color: #fee8e9;
     border-color: #e9aeae;
 }
 
 .d2h-ins {
-    background-color: #ceffce;
+    background-color: #dfd;
     border-color: #b4e2b4;
 }