| Selector | Example | Example description | CSS |
|---|
| .class | .intro | Selects all elements with class="intro" | 1 |
| #id | #firstname | Selects the element with id="firstname" | 1 |
| * | * | Selects all elements | 2 |
| element | p | Selects all <p> elements | 1 |
| element,element | div,p | Selects all <div> elements and all <p> elements | 1 |
| element element | div p | Selects all <p> elements inside <div> elements | 1 |
| element>element | div>p | Selects all <p> elements where the parent is a <div> element | 2 |
| element+element | div+p | Selects all <p> elements that are placed immediately after <div> elements | 2 |
| [attribute] | [target] | Selects all elements with a target attribute | 2 |
| [attribute=value] | [target=_blank] | Selects all elements with target="_blank" | 2 |
| [attribute~=value] | [title~=flower] | Selects all elements with a title attribute containing the word "flower" | 2 |
| [attribute|=value] | [lang|=en] | Selects all elements with a lang attribute value starting with "en" | 2 |
| :link | a:link | Selects all unvisited links | 1 |
| :visited | a:visited | Selects all visited links | 1 |
| :active | a:active | Selects the active link | 1 |
| :hover | a:hover | Selects links on mouse over | 1 |
| :focus | input:focus | Selects the input element which has focus | 2 |
| :first-letter | p:first-letter | Selects the first letter of every <p> element | 1 |
| :first-line | p:first-line | Selects the first line of every <p> element | 1 |
| :first-child | p:first-child | Selects every <p> element that is the first child of its parent | 2 |
| :before | p:before | Insert content before the content of every <p> element | 2 |
| :after | p:after | Insert content after every <p> element | 2 |
| :lang(language) | p:lang(it) | Selects every <p> element with a lang attribute value starting with "it" | 2 |
| element1~element2 | p~ul | Selects every <ul> element that are preceded by a <p> element | 3 |
| [attribute^=value] | a[src^="https"] | Selects every <a> element whose src attribute value begins with "https" | 3 |
| [attribute$=value] | a[src$=".pdf"] | Selects every <a> element whose src attribute value ends with ".pdf" | 3 |
| [attribute*=value] | a[src*="w3schools"] | Selects every <a> element whose src attribute value contains the substring "w3schools" | 3 |
| :first-of-type | p:first-of-type | Selects every <p> element that is the first <p> element of its parent | 3 |
| :last-of-type | p:last-of-type | Selects every <p> element that is the last <p> element of its parent | 3 |
| :only-of-type | p:only-of-type | Selects every <p> element that is the only <p> element of its parent | 3 |
| :only-child | p:only-child | Selects every <p> element that is the only child of its parent | 3 |
| :nth-child(n) | p:nth-child(2) | Selects every <p> element that is the second child of its parent | 3 |
| :nth-last-child(n) | p:nth-last-child(2) | Selects every <p> element that is the second child of its parent, counting from the last child | 3 |
| :nth-of-type(n) | p:nth-of-type(2) | Selects every <p> element that is the second <p> element of its parent | 3 |
| :nth-last-of-type(n) | p:nth-last-of-type(2) | Selects every <p> element that is the second <p> element of its parent, counting from the last child | 3 |
| :last-child | p:last-child | Selects every <p> element that is the last child of its parent | 3 |
| :root | :root | Selects the document’s root element | 3 |
| :empty | p:empty | Selects every <p> element that has no children (including text nodes) | 3 |
| :target | #news:target | Selects the current active #news element (clicked on a URL containing that anchor name) | 3 |
| :enabled | input:enabled | Selects every enabled <input> element | 3 |
| :disabled | input:disabled | Selects every disabled <input> element | 3 |
| :checked | input:checked | Selects every checked <input> element | 3 |
| :not(selector) | :not(p) | Selects every element that is not a <p> element | 3 |
| ::selection | ::selection | Selects the portion of an element that is selected by a user | 3 |