根据HTML5规范, 通常在引入CSS和JS时不需要指明 type,因为 text/css 和 text/javascript 分别是他们的默认值 <!-- External CSS --><linkrel="stylesheet"href="code-guide.css"><!-- In-document CSS --><style>/* ... */</style><!-- JavaScript --><scriptsrc="code-guide.js"></script> 2...
1.6 所有CSS代码尽量单独封装在独立的CSS文件中,文件命名应用有意义的名字,例如layout.css编写页面布局方面的CSS代码。 尽量不要出现直接在HTML标签中书写CSS代码的情况。 在<head>标签中可使用<style></style>针对本页面中特定元素的样式控制代码 1.7 CSS代码每行一个属性 每行一个属性的代码风格更利于维护,注释更...
The equivalent CSS .header { background-color: red; } .header h1 { font-size: 24px; } Variables If you are supporting modern browsers, this is not as compelling of a reason to use a preprocessor, because recent versions of Edge, Firefox, Chrome, and Safari all support native CSS variab...
Iconsis an open source SVG icon library featuring over 1,800 glyphs, with more added every release. They're designed to work in any project, whether you use Bootstrap itself or not. Use them as SVGs or icon fonts—both options give you vector scaling and easy customization via CSS. ...
<style type="text/css"> table {border: 1px solid black; } thead {color:green;} tbody {color:blue;} tfoot {color:red;} </style> <table> <caption>表格标题</caption> <!-- 头--> <thead> <tr> <th scope="col">Items</th> <th scope="col">Expenditure</th> </tr> </thead> <...
CSS 代码:.box:nth-child(6){ grid-area: 1 / 2 / 2 / span 2;} 网格区域命名 grid-area 属性也可以用来命名网格的某一个部分,然后我们可以用 grid-template-areas属性来定位。让我们创建一个简单的 bread-and-butter 布局,顶部有一个 top, nav,中间有 main 和 aside,下面是 footer。这是所需的HTML...
css/default.css" rel="stylesheet" /> <link href="/pages/home/home.css" rel="stylesheet" /> <script src="/pages/home/home.js"></script> </head> <body> <!-- The content that will be loaded and displayed. --> <div class="fragment homepage"> <header aria-label="Header content"...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
<link rel="stylesheet" href="vendor/offline/theme.css"> <link rel="stylesheet" href="vendor/pace/theme.css"> <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css"> <link rel="stylesheet" href="css/font-awesome.min.css"> <link rel="stylesheet" href="css/animate.min.cs...
Instead, use the CSS font-size property. Do not skip heading levels: always start from <h1>, followed by <h2> and so on.Avoid using multiple <h1> elements on one page While using multiple <h1> elements on one page is allowed by the HTML standard (as long as they are not nested),...