课程
/前端开发
/HTML/CSS
/初识HTML(5)+CSS(3)-升级版
就看不懂了，看得头晕
2017-07-10
源自：初识HTML(5)+CSS(3)-升级版 15-11
正在回答
浮动没有脱离标准文档流。
http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%43%34%25%44%43%25%43%41%25%44%34%25%43%44%25%45%36%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%31%25%41%34%25%34%33%25%34%46%25%34%44%252C%25%42%33%25%44%30%25%42%35%25%43%32%25%42%30%25%45%43%25%43%41%25%43%32%25%42%34%25%41%36_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%35%25%45%36%25%43%38%25%43%42%25%44%35%25%45%36%25%43%37%25%41%45%25%42%46%25%41%41%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%33%25%41%45%25%41%33%25%43%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%44%31%25%43%43%25%43%43%25%41%38%25%42%31%25%43%46%25%44%32%25%42%35%25%43%39%25%46%41_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%43%41%25%42%35%25%42%43%25%43%41%25%42%32%25%41%39%25%42%32%25%43%41%25%43%44%25%46%38%25%44%35%25%42%45%25%41%31%25%42%45%25%42%39%25%44%39%25%43%44%25%46%38%25%41%31%25%46%41%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%41%31%25%42%46%252C%25%44%31%25%45%46%25%44%36%25%44%44%25%42%30%25%44%39%25%44%30%25%44%35%25%43%44%25%46%38_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%32%25%41%39%25%42%32%25%43%41%25%43%36%25%43%30%25%42%43%25%42%36%25%42%39%25%41%42%25%43%42%25%42%45%25%42%46%25%41%41%25%42%42%25%41%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%36%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%43%30%25%42%43%25%44%36%25%44%44%25%43%43%25%46%41%25%43%44%25%41%38_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%43%34%25%43%33%25%43%35%25%44%33%25%43%45%25%43%46%25%42%37%25%43%44%25%46%38%25%44%35%25%42%45%25%42%46%25%41%41%25%42%42%25%41%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%36%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%42%34%25%46%33%25%43%31%25%41%43%25%42%38%25%44%46%25%44%30%25%41%33_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%32%25%41%39%25%42%32%25%43%41%25%43%33%25%46%42%25%44%35%25%42%45%25%42%35%25%42%43%25%42%41%25%42%44%25%44%36%25%42%31%25%44%33%25%41%41%25%43%44%25%46%38%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%252C%25%42%39%25%43%43%25%44%34%25%41%44%25%42%37%25%43%30%25%44%32%25%44%46_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%30%25%43%32%25%43%36%25%43%46%25%42%45%25%41%39%25%44%34%25%44%41%25%43%46%25%44%46%25%42%33%25%45%34%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%43%30%25%42%34%25%42%31%25%46%36%25%42%35%25%45%37%25%43%43%25%41%38_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%39%25%46%42%25%42%32%25%41%39%25%42%39%25%44%39%25%42%37%25%42%44%25%43%44%25%46%38%25%44%35%25%42%45%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%33%25%41%45%25%41%33%25%43%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%42%36%25%41%42%25%44%33%25%41%41%25%42%37%25%43%33%25%43%43%25%42%38_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%37%25%41%46%25%43%46%25%44%30%25%42%41%25%43%44%25%42%38%25%43%35%25%43%32%25%43%41%25%42%46%25%41%41%25%42%42%25%41%37%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%31%25%41%34%25%34%33%25%34%46%25%34%44%252C%25%43%32%25%45%35%25%44%31%25%46%34%25%43%45%25%43%30%25%42%43%25%43%36%25%43%45%25%41%46_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%36%25%43%31%25%44%37%25%46%30%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%43%44%25%41%33%25%43%44%25%46%38%25%44%36%25%42%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%41%33%25%43%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%42%44%25%44%32%25%44%31%25%46%34%25%42%44%25%44%41%25%43%34%25%42%46%25%42%31%25%45%44_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%34%25%44%41%25%43%46%25%44%46%25%42%30%25%44%39%25%42%43%25%44%32%25%43%44%25%46%38%25%44%36%25%42%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%41%33%25%43%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%42%44%25%44%32%25%44%31%25%46%34%25%42%39%25%45%33%25%42%32%25%41%35_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%37%25%41%46%25%43%46%25%44%30%25%42%41%25%43%44%25%42%38%25%43%35%25%43%32%25%43%41%25%42%46%25%41%41%25%42%42%25%41%37%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%31%25%41%34%25%34%33%25%34%46%25%34%44%252C%25%43%32%25%45%35%25%44%31%25%46%34%25%43%45%25%43%30%25%42%43%25%43%36%25%43%45%25%41%46_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%30%25%43%32%25%42%44%25%46%35%25%42%38%25%41%33%25%43%35%25%43%34%25%42%39%25%44%39%25%42%37%25%42%44%25%43%44%25%46%38%25%44%36%25%42%37%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%252C%25%43%44%25%41%38%25%42%42%25%41%46%25%43%44%25%46%38%25%42%41%25%45%43_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%32%25%46%38%25%42%41%25%44%33%25%44%33%25%43%45%25%43%46%25%42%37%25%43%44%25%46%38%25%44%35%25%42%45%25%42%46%25%41%41%25%42%42%25%41%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%36%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%43%39%25%43%43%25%43%32%25%45%35%25%43%39%25%45%37%25%42%31%25%41%33_1s.htmhttps://list.jd.com/search?keyword=%E7%BC%85%E7%94%B8%E9%93%B6%E9%92%BB%E5%A8%B1%E4%B9%90%E5%AE%89%E5%85%A8%E5%90%97%E5%AE%98%E7%BD%91TL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E9%93%81%E5%B2%AD%E5%8D%AB%E7%94%9F%E5%B1%80https://www.oschina.net/search?scope=news&q=%E8%BE%BD%E5%AE%81%E9%9E%8D%E5%B1%B1%E7%9C%9F%E4%BA%BA%E5%B9%B3%E5%8F%B0%E5%AE%98%E6%96%B9%E7%BD%91%E5%9D%80TL262%C2%B7C%EF%BC%AFM%E5%90%89%E6%9E%97%E6%8B%9B%E8%81%98&days=0&onlytitle=0&sort_by_time=0https://www.oschina.net/search?scope=news&q=%E7%BC%85%E7%94%B8%E7%9A%87%E5%AE%B6%E5%9B%BD%E9%99%85%E5%BC%80%E6%88%B7%E5%AE%A2%E6%9C%8D%E5%BE%AE%E4%BF%A1%E3%80%90B2024%C2%B7CN%E6%AC%A2%E8%BF%8E%E6%82%A8%E3%80%91%E4%B8%BD%E6%B1%9F%E7%BD%91%E7%BA%A2&days=0&onlytitle=0&sort_by_time=0http://www.minitu.cn/?s=%E7%BC%85%E7%94%B8%E6%96%B0%E9%94%A6%E6%B1%9F%E8%80%81%E6%9D%BF%E6%98%AF%E8%B0%81%E7%BD%91%E5%9D%80B2024.%EF%BC%A3N%E6%B2%B3%E6%B1%A0%E6%AF%95%E4%B8%9A%E7%94%9Fhttps://minecraft.fandom.com/zh/wiki/UserProfile:%E6%B2%B3%E5%8C%97%E7%BD%91%E4%B8%8A%E9%BE%99%E8%99%8E%E7%9B%B4%E8%90%A5%E7%BD%91TL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E5%8D%97%E6%98%8C%E6%8B%9B%E8%81%98%EF%BC%AE%EF%BD%8C%EF%BC%83?variant=zh-hk&cb=&mobileaction=toggle_view_mobilehttp://www.vpansou.com/query?wd=%E7%BC%85%E7%94%B8%E7%BB%B4%E5%8A%A0%E6%96%AF%E7%99%BE%E5%BA%A6%E7%BB%8F%E9%AA%8C%E5%AE%98%E7%BD%91TL262%EF%BC%8E%EF%BC%A3%EF%BC%AF%EF%BC%AD%E5%B9%BF%E5%AE%89%E5%8C%BB%E4%BF%9Dhttps://minecraft.fandom.com/zh/wiki/UserProfile:%E7%8E%89%E5%92%8C%E5%A8%B1%E4%B9%90%E4%B8%AD%E5%BF%83%E6%98%AF%E4%BB%80%E4%B9%88%E5%AE%98%E7%BD%91B2024%C2%B7CN%E5%A8%B1%E4%B9%90%E5%AE%98%E7%BD%91%EF%BD%89%EF%BD%81%EF%BD%8C?variant=zh-hk&cb=&mobileaction=toggle_view_mobilehttps://minecraft.fandom.com/zh/wiki/UserProfile:%E6%9E%9C%E6%95%A2%E9%BE%99%E8%85%BE%E5%9B%BD%E9%99%85%E5%A8%B1%E4%B9%90%E7%9B%B4%E8%90%A5%E5%BC%80%E6%88%B7%3AB2024.CN%E9%83%B4%E5%B7%9E%E7%A7%BB%E5%8A%A8?variant=zh-hk&cb=&mobileaction=toggle_view_mobilehttps://b2b.baidu.com/s?q=%E7%94%98%E8%82%83%E5%98%89%E5%B3%AA%E5%85%B3%E7%9C%9F%E4%BA%BA%E9%BE%99%E8%99%8E%E7%9B%B4%E8%90%A5%E7%BD%91TL262%C2%B7C%EF%BC%AFM%E6%B7%AE%E5%AE%89%E5%B9%BF%E6%92%AD&from=searchhttp://www.vpansou.com/query?wd=%E9%91%AB%E4%BD%B0%E5%88%A9%E5%A8%B1%E4%B9%90%E7%9B%B4%E8%90%A5%E5%BC%80%E6%88%B7%3AB2024%C2%B7CN%E8%9A%8C%E5%9F%A0%E7%83%AD%E9%97%A8https://iias.tsinghua.edu.cn/search/%E7%9A%87%E5%AE%B6%E5%9B%BD%E9%99%85%E5%9C%A8%E7%BA%BF%E4%B8%8D%E5%A4%9C%E5%9F%8E%E3%80%90%E5%AE%98%E7%BD%91%E2%86%92B2024.CN%E3%80%91%E9%83%91%E5%B7%9E%E7%BE%8E%E9%A3%9F/feed/rss/
定宽我知道很简单，难的就是不定宽块状元素
满足定宽和块状两个条件的元素是可以通过设置“左右margin”值为“auto”来实现居中的
举报
HTML(5)+CSS(3)基础教程8小时带领大家步步深入学习标签用法和意义
4 回答定宽块状元素_水平居中设置
1 回答水平居中设置-定宽块状元素
1 回答css水平居中设置定宽块状元素
1 回答定宽块状元素的水平居中设置
2 回答在设置定宽块状元素的水平居中时
