what are css class names?
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In the CSS, a class selector is a name preceded by a full stop (“.”) and an ID selector is a name preceded by a hash character (“#”). The difference between an ID and a class is that an ID can be used to identify one element, whereas a class can be used to identify more than one.
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The Bootstrap grid system has four classes: xs (phones), sm (tablets), md (desktops), and lg (larger desktops). The classes can be combined to create more dynamic and flexible layouts.
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CSS stands for Cascading Style Sheets. CSS describes how HTML elements are to be displayed on screen, paper, or in other media. CSS saves a lot of work. It can control the layout of multiple web pages all at once. External stylesheets are stored in CSS files.
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Selectors are used to "find" (select) HTML elements based on their tag name, id, classes, types, attributes, values of attributes and much more. A list of all selectors can be found in our CSS Selector Reference.
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The :hover CSS pseudo-class matches when the user interacts with an element with a pointing device, but does not necessarily activate it. It is generally triggered when the user hovers over an element with the cursor (mouse pointer).
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One of the very powerful patterns CSS-in-JS enables is state-based styling. Technically it is usually implemented as a JavaScript function which receives a state object and returns CSS properties. As a result, a CSS rule is generated that corresponds to the state of an element.
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CSS syntax is case-insensitive within the ASCII range (i.e., [a-z] and [A-Z] are equivalent), except for parts that are not under the control of CSS. For example, the case-sensitivity of values of the HTML attributes "id" and "class", of font names, and of URIs lies outside the scope of this specification.
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CSS selectors are used to "find" (or select) the HTML elements you want to style. We can divide CSS selectors into five categories: Simple selectors (select elements based on name, id, class) Combinator selectors (select elements based on a specific relationship between them)
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Change the Navbar Color or Transparency You can specify the background color using the bg- classes: bg-light, bg-dark, bg-info, bg-danger, bg-primary, bg-warning, or bg-success . Use navbar-dark for lighter text color (white), or navbar-light for darker text color (black).
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['nameplate.', 'unamended.', 'forenamed.', 'forenames.', 'filenames.', 'enamelled.', 'enameller.', 'enamelers.']
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['UI Faces. UI Faces allows designers to select attributes and find the right faces for mockups. ... ', 'Colour Ranger. Colour Ranger enhances colours in a design. ... ', 'Stark. ... ', 'Rename It. ... ', 'Change Case. ... ', 'Google Sheets. ... ', 'Trello. ... ', 'Angle.']
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['Internet Explorer.', 'Google Chrome.', 'Mozilla Firefox.', 'Safari.', 'Opera.', 'Konqueror.', 'Lynx.']
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['GUI Component classes, such as Button , TextField , and Label .', 'GUI Container classes, such as Frame and Panel .', 'Layout managers, such as FlowLayout , BorderLayout and GridLayout .', 'Custom graphics classes, such as Graphics , Color and Font .']
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['Old Style. ... ', 'Transitional Serifs. ... ', 'Neoclassical & Didone Serifs. ... ', 'Slab Serifs. ... ', 'Clarendon Serifs. ... ', 'Glyphic Serifs. ... ', 'Grotesque Sans Serif. ... ', 'Square Sans Serif.']
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CSS selectors are generally case-insensitive; this includes class and ID selectors. But HTML class names are case-sensitive (see the attribute definition), and that's causing a mismatch in your second example. ... If the document type defined class names as case-insensitive, then you would have a match regardless.
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The :hover pseudo-class is used to add special effect to an element when you mouse over it. a:hover MUST come after a:link and a:visited in the CSS definition in order to be effective. a:active MUST come after a:hover in the CSS definition in order to be effective.
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['<! DOCTYPE html>', '<html>', '<head>', '<meta charset="utf-8">', '<title>Untitled</title>', '</head>', '<body>', '<div id="example">']