Web我理解这是因为,当您添加 字体大小时,h2的大小是根据父元素中的字体大小计算的,因此在上述情况下,h2大小将是父元素常规文本大小的90%。我的问题是:如何使它根据自身计算大小?(正如我所说:我只希望h2比通常的小一点,而不管页面中其他元素的大小)。 WebFeb 23, 2024 · In other articles you may have met some different selectors, and learned that there are selectors that target the document in different ways — for example by selecting …
CSS selectors - Learn web development MDN - Mozilla Developer
WebMay 19, 2024 · Video. Wildcard selector is used to select multiple elements simultaneously. It selects similar type of class name or attribute and use CSS property. * wildcard also known as containing wildcard. [attribute*=”str”] Selector: The [attribute*=”str”] selector is used to select that elements whose attribute value contains the specified sub ... WebOct 12, 2024 · Write the following rule into you styles.css file: styles.css. h1 { color: blue; } Save your styles.css file. Note that you have indented color: blue two spaces to the right. This indentation is a recommended best practice for writing CSS style rules as it makes the code more easily read by developers. the pagan tree jj dobor
How To Style Text Elements with Font, Size, and Color in CSS
WebFeb 22, 2024 · Selects all elements. Optionally, it may be restricted to a specific namespace or to all namespaces. Syntax: * ns * * *. Example: * will match all the elements of the document. Type selector. Selects all elements that have the given node name. Syntax: elementname. Example: input will match any element. Class selector. WebNov 24, 2024 · Save your styles.css file and refresh index.html in your browser. The color of the content will change from black to a dark blue-green: Now that the base color is set, you can start using other colors to provide more visual hierarchy. Start with the h1 selector in your styles.css file and add a color property with a value of Indigo: WebNov 25, 2024 · CSS versions release years: CSS Syntax: CSS comprises style rules that are interpreted by the browser and then applied to the corresponding elements in your document. A style rule set consists of a selector and declaration block. Selector -- h1 Declaration -- {color:blue;font size:12px;} The selector points to the HTML element you … shut off valve design