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Detailed explanation of Bootstrap’s four image styles_javascript skills

WBOYOriginal: 2016-05-16 15:22:15931browse

In this chapter, we will learn about Bootstrap’s support for images. Bootstrap provides four classes that can apply simple styles to images, namely:

img-rounded adds border-radius:6px to get image rounded corners
img-circle Add border-radius:50% to make the entire image circular
img-thumbnail adds some padding and a gray border
img-responsive image responsive

1. img-rounded

<!doctype html> 
<html lang="en"> 
<head> 
  <!--网站编码格式，UTF-8 国际编码，GBK或 gb2312 中文编码--> 
  <meta http-equiv="content-type" content="text/html;charset=utf-8" /> 
  <meta http-equiv="X-UA-Compatible" content="IE=edge"> 
  <meta name="Keywords" content="关键词一，关键词二"> 
  <meta name="Description" content="网站描述内容"> 
  <meta name="Author" content="Yvette Lau"> 
  <meta name = "viewport" content = " width = device-width, initial-scale = 1 "> 
  <title>BootstrapDemo</title> 
  <!--css js 文件的引入--> 
  <link rel="stylesheet" type="text/css" href="../bootstrap-3.3.5-dist/css/bootstrap.min.css"> 
</head> 
  <body style="padding: 20px;"> 
    <div class = "container"> 
      <img src = "5.jpg" class="img-rounded" >    
    </div> 
  </body> 
</html>

.img-rounded{border-radius:6px;}

Effect:

2. img-circle

<body style="padding: 20px;"> 
  <div class = "container"> 
    <img src = "5.jpg" class="img-circle" >    
  </div> 
</body>

.img-circle{border-radius:50%;}

Effect (because the width and height of this image are different, it will appear as an ellipse. If the width and height are set to the same, a circle will appear):

3. img-thumbnail

<body style="padding: 20px;"> 
  <div class = "container"> 
    <img src = "5.jpg" class="img-thumbnail" >  
    <img src = "4.jpg" class="img-thumbnail" >  
    <img src = "3.jpg" class="img-thumbnail" >  
  </div> 
</body>

.img-thumbnail{display:inline-block;max-width:100%;height:auto;padding:4px;line-height:1.42857143;
background-color:#FFF;border:1px solid #DDD;border-radius:4px;transition:all 0.2s ease-in-out;}

Effect:

4. img-responsize

<body style="padding: 20px;"> 
  <div class = "container" style = "width:150px;"> 
    <img src = "5.jpg" class="img-responsive" width="400px" >    
  </div> 
</body>

.img-responsive{display:block;max-width:100%;height:auto;}

Effect (width attribute value in img is ignored):

The above content introduces you to the relevant knowledge of Bootstrap’s four image styles step by step. I hope you like it.

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