Introduction method: 1. Use the style tag to introduce, the syntax ""; 2. Use the link to introduce, the syntax "".
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
There are two ways to introduce css in the head area:
Internal style sheet--defined with style tags
External Style sheet - use the link tag to introduce
##1. Internal style sheet - use the style tag to define
Write the css code in HTML In the head tag of the document, and defined with the style tag, its basic syntax format is as follows:<head> <style type="text/css"> css代码 </style> </head>In the syntax, the style tag is generally located after the head tag, or it can be placed anywhere in the HTML document . The general format of css code:
css选择器{
属性:值;
属性:值;
.....
}
2. External style sheet--use the link tag to introduce
Put all styles in one or In multiple external style sheet files with CSS extensions, the external styles are linked to the HTML document through the link tag. The basic syntax format is as follows:<link rel="stylesheet" type="text/css" href="css文件路径" />
- rel attribute: defines the current The relationship between the document and other linked documents, "stylesheet" means: the linked document is a style sheet file
- href attribute: defines the URL of the linked external style sheet file, It can be a relative path or an absolute path
css video tutorial, html video tutorial)
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