color
1. Background color
Note: the background color does not set the color of the text
code show as below:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<title></title>
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css"/>
<script src="js/jquery.slim.min.js" type="text/javascript" charset="utf-8"></script>
<script src="js/popper.min.js" type="text/javascript" charset="utf-8"></script>
<script src="js/bootstrap.min.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<div class="container">
<p class="bg-primary text-white">重要的背景颜色。</p>
<p class="bg-success text-white">执行成功背景颜色。</p>
<p class="bg-info text-white">信息提示背景颜色。</p>
<p class="bg-warning text-white">警告背景颜色</p>
<p class="bg-danger text-white">危险背景颜色。</p>
<p class="bg-secondary text-white">副标题背景颜色。</p>
<p class="bg-dark text-white">深灰背景颜色。</p>
<p class="bg-light text-dark">浅灰背景颜色。</p>
</div>
</body>
</html>
2. Text color
Note: Because the light gray text and white text are not visible on the white background, the background is set to pink for better display.
code show as below:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<title></title>
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css" />
<script src="js/jquery.slim.min.js" type="text/javascript" charset="utf-8"></script>
<script src="js/popper.min.js" type="text/javascript" charset="utf-8"></script>
<script src="js/bootstrap.min.js" type="text/javascript" charset="utf-8"></script>
</head>
<style type="text/css">
.container{
background-color: pink;
}
</style>
<body>
<div class="container">
<p class="text-muted">柔和的文本。</p>
<p class="text-primary">重要的文本。</p>
<p class="text-success">执行成功的文本。</p>
<p class="text-info">代表一些提示信息的文本。</p>
<p class="text-warning">警告文本。</p>
<p class="text-danger">危险操作文本。</p>
<p class="text-secondary">副标题。</p>
<p class="text-dark">深灰色文字。</p>
<p class="text-light">浅灰色文本（白色背景上看不清楚）。</p>
<p class="text-white">白色文本（白色背景上看不清楚）。</p>
</div>
</body>
</html>
operation result:
3. Summary
-
background color:
-
text color
