元素的上外边距和其属于常规流中的第一个孩子的上外边距。
元素的下外边距和其属于常规流中的下一个兄弟的上外边距。
属于常规流中的最后一个孩子的下外边距和其父亲的下外边距，如果其父亲的高度计算值为auto。
元素的上、下外边距，如果该元素没有建立新的块级格式上下文，且 min-height 的计算值为零、height 的计算值为零或 auto、且没有属于常规流中的孩子。
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From Text to Websites: The Power of HTMLApr 13, 2025 am 12:07 AMHTML is a language used to build web pages, defining web page structure and content through tags and attributes. 1) HTML organizes document structure through tags, such as,. 2) The browser parses HTML to build the DOM and renders the web page. 3) New features of HTML5, such as, enhance multimedia functions. 4) Common errors include unclosed labels and unquoted attribute values. 5) Optimization suggestions include using semantic tags and reducing file size.
Understanding HTML, CSS, and JavaScript: A Beginner's GuideApr 12, 2025 am 12:02 AMWebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.
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