摘要:
html<html<head lang="en"<meta charset="UTF-8"<titletitle</head<body<div id="div1"<input type="checkbox"<input type="checkbox"<input type="checkbox"<in 阅读全文
摘要:
html<html<head lang="en"<meta charset="UTF-8"<titletitle</head<body<table<tr<td<select name="sel1" id="sel1" multiple style="width: 120px;" size="8"<o 阅读全文
摘要:
html<html<head lang="en"<meta charset="UTF-8"<titletitle<style#div1{ width: 192px; height: 120px; border: 1px solid gray; margin: 0 auto; position: re 阅读全文