摘要：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.o 阅读全文
摘要：
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <script src="js/jquery.min.js"></script></head><body><div class=" 阅读全文
摘要：
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>选项卡</title> <style> *{ margin:0; padding: 0; } div{ width: 300px; height: 300px; b 阅读全文
摘要：
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title> <style> * { margin: 0; padding: 0; } ul { height: 30px; backgroun 阅读全文
摘要：
<meta charset="utf-8"/><style> * {margin: 0; padding: 0;} ul { height: 80px; background: #30C2A5; width: 290px; position: absolute; top: 0; right: 0; 阅读全文