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  2. Help:Cascading Style Sheets - Wikipedia

    en.wikipedia.org/wiki/Help:Cascading_style_sheets

    bodyContent – the main page content within the content box; The portlet class is the style used by all the div blocks around the main content. Identified blocks using that class: p-cactions – id for the list of page-related tabs above the main content (page, talk, edit, etc.), top.

  3. Help:User style - Wikipedia

    en.wikipedia.org/wiki/Help:User_style

    Enter some CSS into that page. Preview of CSS works in a special way: it allows viewing of the margins of the page (not the contents) on the basis of the style info in the page, provided that the skin used is the skin for which the page applies. This has limitations.

  4. Help:Line-break handling - Wikipedia

    en.wikipedia.org/wiki/Help:Line-break_handling

    This code generates "page C‑2" just like the plain code "page C-2", but prevents a line break at the hyphen. However, like  , the use of ‑ instead of "-" renders the source text harder to read and edit. Don't use it unless it is really necessary to avoid a line break.

  5. Content Security Policy - Wikipedia

    en.wikipedia.org/wiki/Content_Security_Policy

    Mapping between HTML5 and JavaScript features and Content Security Policy controls. If the Content-Security-Policy header is present in the server response, a compliant client enforces the declarative allowlist policy. One example goal of a policy is a stricter execution mode for JavaScript in order to prevent certain cross-site scripting attacks.

  6. Non-breaking space - Wikipedia

    en.wikipedia.org/wiki/Non-breaking_space

    A second common application of non-breaking spaces is in plain text file formats such as SGML, HTML, TeX and LaTeX, whose rendering engines are programmed to treat sequences of whitespace characters (space, newline, tab, form feed, etc.) as if they were a single character (but this behavior can be overridden).

  7. Wikipedia:Line breaks usage - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Line_breaks_usage

    Single line breaks in the source text are not translated to single line breaks in the output (if you want a single line break to appear in the rendered article, use a <br /> tag or {} template). However, single line breaks in the source do have certain effects: Within a list, a single line break starts either the next item or a new paragraph ...

  8. Page break - Wikipedia

    en.wikipedia.org/wiki/Page_break

    A page break is a marker in an electronic document that tells the document interpreter that the content which follows is part of a new page. A page break causes a form feed to be sent to the printer during spooling of the document to the printer. Thus it is one of the elements that contributes to pagination.

  9. CSS - Wikipedia

    en.wikipedia.org/wiki/CSS

    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 ...