摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title><style>#box{ width: 200px; height: 300px; border: dashed 1px pink; 阅读全文
摘要：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Document</title><style type="text/css" media="screen"> body{width: 980px; height: 阅读全文
摘要：
<!DOCTYPE html><html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <!-- 以下style是内部样式表 --><style>#div1 {width:100px; height:100px; b 阅读全文