To add emphasis, the color and fontweight is changed for this list item and any sub-level list items within it.
为了增强效果，我们修改了这个列表项和其中任何子列表项的颜色和字体粗细。
2
A simple way to visually distinguish the two that I sometimes do, is to use a bold fontweight on the Primary action and a normal fontweight on the Secondary.
一个简单的方法从视觉上区分两点：我经常去做，则使用粗体(bold font weight)，放在首要动作上，而一个正常的字体放在次要动作上。
3
As with the search form, you can style this with either a background color or image, you can add borders, and you can change text color, font-family, fontweight, text decoration, etc.