Update css201.md

Author: Onur Özgür ÖZKAN

development/training/css201.md

@@ -2,32 +2,21 @@
 
 ## Contents
 
-**CSS Basic**
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 1. HTML for CSS
 2. Creating Styles and Style Sheets
 3. Selectors
 4. Saving Time with Style Inheritance
 5. Managing Multiple Styles
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-**Applied CSS**
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 6. Formatting Text
 7. Margins, Padding, and Borders
 8. Adding Graphics to Web Pages
 9. Sprucing Up Your Site's Navigation
 10. CSS Transforms, Transitions, And Animations
 11. Formatting Tables and Forms
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-**CSS Page Layouts**
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 12. Introducing CSS Layout
 13. Building Float-Based Layouts
 14. Responsive Web Design
 15. Positioning Elements on a Web Page
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-**Advanced CSS**
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 16. CSS for the Printed Page
 17. Improving Your CSS Habits