html:
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="format-detection" content="telephone=no" />
<title>利用媒介查询实现文字自动缩放大小</title>
</head>
<body>
<ul>
<li>利用媒介查询实现文字自动缩放大小</li>
<li>利用媒介查询实现文字自动缩放大小</li>
<li>利用媒介查询实现文字自动缩放大小</li>
<li>利用媒介查询实现文字自动缩放大小</li>
</ul>
</body>
</html>
css
<span style="font-size:12px;"><style type="text/css">
body{ max-width:750px; min-width:320px; margin:0 auto}
li{ list-style:none; font-size:30px; font-family:"微软雅黑"}
</style></span>
默认字体为30px
添加媒介查询:
当手机屏幕为414px时 字体大小为16px
@media screen and (min-width:414px) {
html,body,button,input,select,textarea {
font-size:16px
}
<div> </div><div>当手机屏幕为384px时 字体大小为14px</div>
@media screen and (min-width:384px) {
html,body,button,input,select,textarea {
font-size:14px
}
}
当手机屏幕为320px时 字体大小为12px
@media screen and (min-width:320px) {
html,body,button,input,select,textarea {
font-size:12px
}
}