Where to write css: 1. As an inline style, write it in the style attribute of the HTML tag; 2. As an inline style, write it in the style tag of the head tag; 3. As an external style, write it In a separate ".css" file, use the link tag or "@import" rule to introduce it into HTML.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
There are three types of css styles: inline CSS styles, inline CSS styles, and external CSS styles (outline styles).
1. Inline CSS style
Use the style attribute in the HTML tag to set the css style
Format:
<html标签 style="属性:值;属性:值;....">被修饰的内容</html标签>
Example:
<html>
<head>
<titile></title>
</head>
<body>
<div style="width="100px" height="100px""></div>
</body>
</html>Features: Only applies to this tag.
2. Embedded CSS style
Use the style tag in the head tag to set the css style
Format:
<style type="text/css"> ....css样式代码 </style>
Example:
<html>
<head>
<titile></title>
<style type="text/css">
//在这里写CSS代码
bdoy{font-size:14px;}
</style>
</head>
<body>
</body>
</html>Features: Applies to the entire current page
3. External CSS style (outline style)
Write the css code in a In a separate ".css" file
Introduce the file into the page using the link tag or @import
Example:
<html>
<head>
<titile></title>
<link rel="stylesheet" href="要引入的CSS文档位置" >
</head>
<body>
</body>
</html> Learning video sharing: css video tutorial
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