批改状态:合格
老师批语:
Class演示:
<!DOCTYPE html><html lang="zh-cn"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=edge" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>class字体图标</title><link rel="stylesheet" href="//at.alicdn.com/t/c/font_3736338_wc3n165j5l.css" /></head><body><div class="iconfont class"><span class="icon-baocun"></span><span class="icon-chazhao"> </span></div></body></html>

常用属性:
max-width:最大宽度
min-width:最小宽度
媒体查询的宽度顺序:
移动端:从小往大
PC 端:反过来写,从大向下写
例:
/* 宽度范围374及以内时的样式 */@media (max-width: 374px) {html {font-size: 12px;}}
/* 宽度范围375px - 415px时字体样式 */@media (min-width: 375px) and (max-width: 414px) {html {font-size: 14px;}}
/* 宽度范围> 415px 时字体样式 */@media (min-width: 415px) {html {font-size: 16px;}}
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