Change font to Ubuntu
diff --git a/static/css/style.less b/static/css/style.less
index 75dafe5..fdaa555 100644
--- a/static/css/style.less
+++ b/static/css/style.less
@@ -7,10 +7,9 @@
@blue: #0e94ec;
@accent: @blue;
-@import (css) "http://fonts.googleapis.com/css?family=PT+Sans|PT+Serif|PT+Mono";
-@sans: 'PT Sans', sans-serif;
-@serif: 'PT Serif', serif;
-@mono: 'PT Mono', monospace;
+@import (css) "http://fonts.googleapis.com/css?family=Ubuntu|Ubuntu+Mono";
+@sans: 'Ubuntu', sans-serif;
+@mono: 'Ubuntu Mono', monospace;
@side_size: 250px;
@main_size: 755px;