Only of Type

Pseudo-class

:only-of-type

Selects an element that is the only element of its type among siblings.

Example

p:only-of-type {
  font-style: italic;
}

Specificity

0-1-0

Browser Support

All browsers

About the Only of Type

The :only-of-type CSS selector belongs to the Pseudo-class category.Selects an element that is the only element of its type among siblings. Understanding CSS selector specificity and combinators is essential for writing maintainable stylesheets that behave predictably.

The specificity of this selector is 0-1-0. CSS specificity determines which styles are applied when multiple rules target the same element. Higher specificity values take precedence. The specificity hierarchy from lowest to highest is: universal (*) → type/element → class/attribute/pseudo-class → ID → inline styles → !important.

Browser support for Only of Type is: All browsers. When using newer CSS selectors like :has(), :is(), or CSS nesting, consider providing fallback styles for older browsers. Use @supports to progressively enhance your stylesheets with modern features while maintaining backward compatibility.

Related Selectors

:only-child :first-of-type :last-of-type