Only remove link color on immediate child.

It's not clear when smaller links are used due to the CSS turning off link colors in this `.home` section. This change only applies the color removal to immediate children, so links inside paragraphs can be allowed to be more visible.

**Before:**
![screenshot 2014-07-28 02 20 01](https://cloud.githubusercontent.com/assets/53273/3718611/6d8e8fae-1638-11e4-8808-30412911a344.png)

**After:**
![screenshot 2014-07-28 02 19 53](https://cloud.githubusercontent.com/assets/53273/3718614/79b84428-1638-11e4-84ae-71f33371e454.png)