diff --git a/contents/images/greyzz.png b/contents/images/greyzz.png
new file mode 100644
index 0000000..9c91922
Binary files /dev/null and b/contents/images/greyzz.png differ
diff --git a/contents/images/greyzz@2x.png b/contents/images/greyzz@2x.png
new file mode 100644
index 0000000..9ad5254
Binary files /dev/null and b/contents/images/greyzz@2x.png differ
diff --git a/contents/less/main.less b/contents/less/main.less
index 5d7a115..654c85e 100644
--- a/contents/less/main.less
+++ b/contents/less/main.less
@@ -53,17 +53,18 @@
 
 /******** VARIABLES ********/
 
-@FontAwesomePath:   "../fonts";
-@main-font:         'Arimo', 'Open Sans', Arial, Helvetica, sans-serif;
-@main-color:        #3399ff;
-@secondary-color:   #34495e;
-@tertiary-color:    #3498db;
-@additional-color:  #27ae60;
+@FontAwesomePath:          "../fonts";
+@font-family-sans-serif:   'Arimo', 'Open Sans', Arial, Helvetica, sans-serif;
+@font-size-base:           15px;
 
 /******** RULES ********/
 
 body,h1,h2,h3,h4,h5,h6 {
-  font-family: @main-font;
+  font-family: @font-family-sans-serif;
+}
+
+body {
+  .at2x('../images/greyzz.png');
 }
 
 .btn, a {