Web z-index fixes

I’ve noticed an annoying trend where web developers are using z-index to place their header above every other element on the page.  When the window is made smaller this header often covers other more-important elements (like media players).

Changing Reddit link colors using Stylish

I really don’t like the link and visited link colors on reddit; they are too similar in appearance.  I prefer to have green links and red visited links.  I can get these link colors by installing the Stylish Addon and creating the following style: