CSS entries starting with “I”

Every CSS entry starting with I, grouped by kind. Pseudo-classes, pseudo-elements and types are filed by their first letter, ignoring the leading :, :: or <.

Name	Description
Color
`indianred`	Named colour #cd5c5c.
`indigo`	Named colour #4b0082.
`ivory`	Named colour #fffff0.
Container feature
`inline-size`	The inline size of the query container's content box.
Descriptor
`inherits`	An @property descriptor: whether the custom property inherits.
`initial-value`	An @property descriptor: the custom property's initial value.
Function
`if()`	Chooses a value inline from style, media or supports conditions.
`image-set()`	Alternative images chosen by screen resolution and format.
`inset()`	A rectangle inset from each edge of the box, optionally rounded.
`integrity()`	url() modifier giving a subresource integrity hash.
`invert()`	A filter that inverts colours.
Keyword
`infinity`	Math constant: the largest possible value, clamped to the allowed range.
`inherit`	Take the parent element's computed value.
`initial`	Use the property's initial value from the specification.
Media feature
`inverted-colors`	Whether the operating system is inverting colours.
Property
`image-orientation`	Whether images follow the orientation stored in their metadata.
`image-rendering`	Smooth or pixelated scaling of images.
`initial-letter`	Makes a drop cap or raised initial letter.
`inline-size`	The preferred size of a box along the inline axis.
`inset`	Shorthand for top, right, bottom and left.
`inset-block`	Shorthand for the block-start and block-end insets of a positioned box.
`inset-block-end`	The block-end inset of a positioned box; bottom in English.
`inset-block-start`	The block-start inset of a positioned box; top in English.
`inset-inline`	Shorthand for the inline-start and inline-end insets of a positioned box.
`inset-inline-end`	The inline-end inset of a positioned box; right in English.
`inset-inline-start`	The inline-start inset of a positioned box; left in English.
`interactivity`	Makes an element and its descendants inert from CSS.
`interest-delay`	Shorthand for the delays before an interest invoker shows and hides its target.
`interest-delay-end`	The delay before an interest invoker hides its target.
`interest-delay-start`	The delay before an interest invoker shows its target.
`interpolate-size`	Lets sizes animate to and from keywords such as auto.
`isolation`	Creates a group so blend modes inside it do not reach outside.
Pseudo-class
`:in-range`	Matches an input whose value is within its min and max.
`:indeterminate`	Matches controls neither on nor off, such as a mixed checkbox.
`:interest-source`	Matches an interestfor element while the user shows interest in it.
`:interest-target`	Matches the target of an interestfor element while interest is shown.
`:invalid`	Matches form controls whose value fails its constraints.
`:is()`	Matches any selector in a forgiving list; takes its most specific argument.
Pseudo-element
`::interest-button`	A generated button that shows interest in an interestfor element.
Type
`<ident>`	Any unquoted CSS identifier, such as a keyword.
`<image>`	An image: a url(), a gradient or an image-set().
`<integer>`	A whole number with no fractional part.
Unit
`ic`	The advance of a full-width CJK ideograph in the element's font.
`in`	One inch, 96 CSS pixels.