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web前端開發學習筆記-05-css新增方法

原課程在這裡:https://www.icourse163.org/learn/BJFU-1003382003?tid=1003609002#/learn/announce

方法一:行內

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title></title>
</head>
<body>
	<p style="color:red;font-size:20px"  >
		Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do 
		eiusmod tempor incididunt ut labore et dolore magna aliqua. 
	</
p
>
</body> </html>

方法二:內嵌式

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Lorem</title>
	<style>
	p{
		color:red;
		font-size:20px;
	}
	</style>
</head>
<body>
	<p>
		Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do 
		eiusmod tempor incididunt ut labore et dolore magna aliqua. 
	</
p
>
</body> </html>

方法三:單獨檔案(.css)

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Lorem</title>
	<link rel="stylesheet" href="css/style.css">	
</head>
<body>
	<p>
		Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. 
	</
p
>
</body> </html>
p{
	color:red;
	font-size:12px;
}

擴充套件:

設定兩個段落,然後分別取名p1,p2,然後配置不同的屬性,會怎麼樣?

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Lorem</title>
	<style>
	p1{
		color:red;
		font-size:20px;
	}
	p2{
		color:blue;
		font-size:10px;
	}

	</style>
</head>
<body>
	<p1>
		Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. 
	</p1><br><hr>
	<p2>
		Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. 
	</p2>

</body>
</html>

在這裡插入圖片描述

優先順序:

  • 多重樣式可以層疊,可以覆蓋
  • 樣式的優先順序按照“就近原則”:
  • 行內樣式>內嵌樣式>連結樣式>瀏覽器預設樣式