Selects element if it is currently focused. As with other pseudo-class selectors (those that begin

Select all elements at an index less than index within the matched set. index-related

Selects all elements that do not match the given selector. All selectors are accepted inside :not()

Selects all elements that have no siblings with the same element name. If the parent has other child

Selects even elements, zero-indexed. See also odd. In particular, note that the 0-based indexing

Selects all the elements that are the nth-child of their parent in relation to siblings with the same element name, counting from the last element to the first.

Selects elements that have the specified attribute with a value containing a given word, delimited by spaces. This

Selects all elements that are selected. The :selected selector works for <option>

Select all elements that have no children (including text nodes). This is the inverse of :parent

Selects all elements that are the last child of their parent. While