Put your stylesheets in the document HEAD using the LINK tag.

This avoids two problems: the blank white screen and flash of unstyled content.

• Example 1 - CSS at the Bottom
• Example 2 - CSS at the Top
• Example 3 - CSS at the Top Using @import
• Example 4 - CSS Flash of Unstyled Content

Read the blog post about this rule: Put Stylesheets at the Top