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<!DOCTYPE html><head> <meta charset="UTF-8"> <title>CSS中的浮动</ti...
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<!-- CSS盒模型——边框(border) --> <!DOCTYPE html><head> <meta ...
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css3在页面中有很多不懂的地方列入：{-webkit-animation: upmove 1s ease; o-animation: upmove 1s ease;animation:upmove ...
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你好,老师,你在那个vip群是那个老师，我发教务同意一个作业重复上交的截图给你看<!DOCTYPE html><html><head> &...
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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <...
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<style> .li{float:left;} .nav2{display:none;} .li_nav:hover .nav2{display:block;} </st...
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<!doctype html><html lang="zh-hans"><head><title>第四个网页,仿淘宝.之前记得的都忘...
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<!DOCTYPE html><html lang="zh-hans"><head><title>这是第二个网页,还是记不住描述代码...
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<!DOCTYPE html><html><head> <title>作业</title> <style type="tex...
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