随笔分类 - html+css的练习题
练习题
摘要：<!DOCTYPE html> <html lang="zh"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv
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摘要：<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <link rel="stylesheet" href="css/reset.css"> <style type="text/css"> /* 为body设置背景
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摘要：<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <style type="text/css"> *{ padding: 0; margin: 0; } .w{ width: 1000px; margin:aut
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摘要：<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>二级标题练习</title> <style type="text/css"> .inner{ display: none; } .outer > li:hover .inner{
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