When should I use a class and when should I use an id in html for styling my page.
Example: <h1 class="ClassName">
<h1 id="IDName">
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
IDs are unique, whereas classes can be reused. You could also use both simultaneously:
As a general rule of thumb, use id’s as individual identifiers, and classes for common markup that you intend to reuse.