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The Cascading Style Sheets (CSS) specification describes how elements of web pages are displayed by graphical browsers. Section 4 of the CSS1 specification defines a "formatting model" that gives block-level elements—such as p and blockquote—a width and height, and three levels of boxes surrounding it: padding, borders, and margins. [4]
In Cascading Style Sheets, CSS grid layout or CSS grid creates complex responsive web design grid layouts more easily and consistently across browsers. [6] Historically, there have been other methods for controlling web page layout methods, such as tables , floats , and more recently, CSS Flexible Box Layout (flexbox).
To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
Such elements might be gathered together as footnotes on a page—instead of appearing in the place suggested by their position within the HTML source. The style sheet author might also define a rule with the .notation selector and define the property font-size: small;. The style attribute provides a way of applying element-specific style rules.
Property Screen [a] Print [b] Mobile [c] Table margin: 1em 0 background-color: #f9f9f9: white: transparent border: 1px #aaa solid border-collapse: collapse color: black Header border: 1px #aaa solid: border-right: 1px solid #EEE border-right last-child: none padding: 0.3em 0.4em: 0.2em background-color: #f2f2f2: white: transparent font-weight ...
Any background style assigned to the element, such as a background image or color, will be visible within the padding. Increasing the size of an element's padding increases the amount of space this element will take up. The border of an element is the absolute end of an element and spans the perimeter of that element. The thickness of a border ...
CSS Flexible Box Layout, commonly known as Flexbox, [2] is a CSS web layout model. [4] It is in the W3C 's candidate recommendation (CR) stage. [ 2 ] The flex layout allows responsive elements within a container to be automatically arranged depending on viewport (device screen) size.
By default, text is aligned to the left of data cells. By default, text is aligned to the center of header cells. All of the above is true in both desktop and mobile view.