The CaretPosition interface represents the caret position, an
for the text insertion point. You can get a CaretPosition using
`document.caretPositionFromPoint` method.

web.cssdom interfaces.

The CSS interface holds useful CSS-related methods. No object
this interface are implemented: it contains only static methods
therefore is a utilitarian interface.

An object implementing the CSSConditionRule interface represents
single condition CSS at-rule, which consists of a condition and
statement block. It is a child of `web.cssdom.CSSGroupingRule`.

The CSSKeyframeRule interface describes an object representing
set of style for a given keyframe. It corresponds to the contains
a single keyframe of a `@keyframes` at-rule. It implements the
interface with a type value of 8 (CSSRule.KEYFRAME_RULE).

The CSSKeyframesRule interface describes an object representing
complete set of keyframes for a CSS animation. It corresponds
the contents of a whole `@keyframes` at-rule. It implements the
interface with a type value of 7 (CSSRule.KEYFRAMES_RULE).

The CSSMediaRule interface represents a single CSS `@media` rule.
implements the `web.cssdom.CSSConditionRule` interface, and therefore
`web.cssdom.CSSGroupingRule` and the `web.cssdom.CSSRule` interface
a type value of 4 (CSSRule.MEDIA_RULE).

The CSSNamespaceRule interface describes an object representing
single CSS `@namespace` at-rule. It implements the `web.cssdom.CSSRule`
with a type value of 10 (CSSRule.NAMESPACE_RULE).

CSSPageRule is an interface representing a single CSS `@page`
It implements the `web.cssdom.CSSRule` interface with a type
of 6 (CSSRule.PAGE_RULE).

The CSSRule interface represents a single CSS rule. There are
types of rules, listed in the Type constants section below.

The CSSStyleDeclaration interface represents an object that is
CSS declaration block, and exposes style information and various
methods and properties.

CSSStyleRule represents a single CSS style rule. It implements
`web.cssdom.CSSRule` interface with a type value of 1 (CSSRule.STYLE_RULE).

The CSSStyleSheet interface represents a single CSS stylesheet,
lets you inspect and modify the list of rules contained in the

The GeometryUtils interface provides different utility function
retrieve geometry information about DOM nodes.

The LinkStyle interface provides access to the associated CSS
sheet of a node.

A MediaQueryList object stores information on a media query applied
a document, with support for both immediate and event-driven
against the state of the document.

MediaQueryList Events.

The Screen interface represents a screen, usually the one on
the current window is being rendered, and is obtained using `window.screen`.

The ScrollToOptions dictionary of the CSSOM View spec contains
specifying where an element should be scrolled to, and whether
scrolling should be smooth.

An object implementing the StyleSheet interface represents a
style sheet. CSS style sheets will further implement the more
`web.cssdom.CSSStyleSheet` interface.

The TransitionEvent interface represents events providing information
to transitions.