<divclass="app"><header>我是Header</header><main>这是内容</main><footer>这是footer</footer></div> 对应的css如下 代码语言:javascript 代码运行次数:0 运行 AI代码解释 *{padding:0;margin:0;}html,body{height:100%;}.app{display:flex;flex-direction:column;height:100%;}.app header{height:50...
@CHARSET “UTF-8”; .clr { clear: both; width: 0px; height: 0px; } #container { width: 1002px; } #header { height: 128px; background: gray url(“../indexPics/top_bg.jpg”); } #navi li { width: 90px; margin-right: 1px; float: left; } #navi a { font-size: 16px; ...
Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.
<h1 class="red-cursive">Header One</h1><div> <h2 class="code-like">Header Two</h2> <p class="red-cursive">Paragraph</p> <ul> <li class="red-cursive">List item 1</li> <li class="red-cursive">List item 2</li> <li>List item 3</li> <li class="code...
header { padding: 0 20px; } } boolean Enable CSS Modules features. webpack.config.js module.exports = { module: { rules: [ { test: /\.css$/i, loader: "css-loader", options: { modules: true, }, }, ], }, }; string Enable CSS Modules features and setup mode. webpack.config...
To see matching elements in the DOM tree outline (in the main pane of the Elements tab), move the pointer over a rule at the top of the sidebar. To discard any edits you’ve made, click the trashcan icon to the right of the header for the group you modified. ...
在header 中,通过嵌套一个 img 元素、h1 元素和 nav 元素来提供有关页面的上下文。 img 元素应该指向https://cdn.freecodecamp.org/platform/universal/fcc_primary.svg,并且有一个 id 为 logo。 h1 元素应该包含文本 HTML/CSS Quiz。 <header> <img id="logo" src="https://cdn.freecodecamp.org/platfor...
Comment out a CSS rule: Click the icon of a CSS rule. Rules that cannot be edited, such as those from the user agent stylesheet, have a lock icon in the upper-right corner of the rule header. Comment out individual properties: Move the pointer over a property and when its blue checkbo...
header{max-width:540px;margin:10pxauto00;position:absolute;bottom:0;left:0;right:0;text-align:left;} 这并没有错。它只是没有使用 CSS 逻辑属性。 如果我们使用谷歌翻译将这个页面翻译成阿位伯语言(即从右向左的语言),其结果是这样的: 翻译之后的阿拉伯文,header区块依旧位于左下角,并且文本仍然是左对齐...
/* is not equal to ".card--header" */ } } 更详细的解释可以在规范中找到。 混合嵌套和声明 考虑以下嵌套的CSS块: .card { color: green; & { color: blue; } color: red; } .card元素的颜色将是蓝色。 所有混合的样式声明都会被提升到顶部,就好像它们是在嵌套之前编写的一样。更多细节可以在[规...