css css最佳实践

Posted 2021-05-13

Use CLASSES for css and use IDs for in-page linking 
e.g. faqs: 
<a href="#qa4">Question 4</a>
<p id="qa4">Answer 4.....</p>

Descendent Selectores (space:p a): try not to use more than 3 levels deep or it may slow your page down.