<!DOCTYPE html><html><head> <meta charset="utf-8"> <title></title> <style> .dk{ width: 1000px; height: 1000px; position: relative; } .tupian{ width
<!DOCTYPE html><html lang="zh-cmn-Hans"><head> <meta charset="utf-8" /> <title></title> <style> .a{ width: 1000px; height:500px; background-color: blue
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title></title> <style> body{ padding: 0 auto; margin: 0; } #rmb{ width: 720px; height: 620px;
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>表格</title></head><body> <table border
body,ul{ margin: 0px; padding: 0px;}ul{ list-style: none; text-align: center;}.wode{ float: left;
<!DOCTYPE HTML><html><head> <title></title> <meta charset="utf-8"> <link rel="stylesheet" type="text/css" h
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>网页布局</title> <style> </st
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>网页布局</title> <style> body{ margin: 0px; padding:0px; } </style></head><body>
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>九宫格</title> <style> body{ margin: 0px; padding:0px; } .uni{ width: 200px; height: 200px;
<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>田字格</title> <style> &n
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