You're up and running!
Next you can update your site name, avatar and other options using the _config.yml file in the root of your repository (shown below).
The easiest way to make your first post is to edit this one. Go into /_posts/ and update the Hello World markdown file. For more instructions head over to the Jekyll Now repository on GitHub.
test kode
#box{margin:0;padding:0}
Written with ♥ on March 3, 2014