remove forward slash, all upper case for pages

[Jiraiyah]

Hi
For the top right page text, please remove the '/' and make them all upper case. The way you are showing them are not standard for webpages.

On a side note, how can we add custom style for text formatting? for example, if i have :

some text

I want it to be shown in a box inline with text (same box style that is being used to show code but this time inline. or any other syntax that i would like to have? where should i change these stuff (not that familiar with css). the above example, is exactly used on jekyll's website's template itself.