| Selector | Meaning | Example |
| Universal Selector | Applies to all elements in the document | *
Targets all elements on the page |
| Type Selector | Matches element names | h1, h2, h3
Targets the <h1>, <h2>, and <h3> elements |
| Class Selector | Matches an element whose class attribute has a value that matches the one specified after the period symbol | .note
Targets any elements whose class attribute has a value of note p.note Targets only the <p> elements whose class attribute has a value of note. |
| ID Selector | Matches an element whose id attribute has a value that matches the oneĀ specifiedĀ after the pound or hash symbol | #introduction
Targets the element whose id attribute has a value of introduction |
