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I sincerely ask a question: About nested writing of CSS_html/css_WEB-ITnose

WBOY
WBOYOriginal
2016-06-24 11:46:461086browse

<!DOCTYPE ><html xmlns="http://www.w3.org/1999/xhtml"> <head>  <title> new document </title>  <meta name="generator" content="editplus" />  <meta name="author" content="" />  <meta name="keywords" content="" />  <meta name="description" content="" />  <style type="text/css">	.d{		.s{			color:red;		}	}	/*.d .s{		color:red;	}*/  </style> </head> <body>	<div id="" class="d">		<span class="s">hello !</span>	</div> </body></html>


Why does this not work, but the one in the comments does?


Reply to the discussion (solution)

CSS does not have nested writing

CSS does not have nested writing


But look at this website: http://www.css2less.net/ ?

It’s less

This is not native css, it is in LESS format. You need to load a less.js compiler to compile the LESS file into a static CSS file and apply it in the HTML document.

You can take a look at this
http://www.ibm.com/developerworks/cn/web/1207_zhaoch_lesscss/

It’s less

This is not native css, it is in LESS format. A less.js compiler needs to be loaded to compile the LESS file into a static CSS file and apply it in the HTML document.

You can take a look at this
http://www.ibm.com/developerworks/cn/web/1207_zhaoch_lesscss/



Thank you very much, I understand. This has always worked before Confused.
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