日期:2014-05-17  浏览次数:20681 次

css向左浮动上方的margin
边距设为零了,但上方始终有空,求高人指点
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
body{
  background-color:white;
  font-size:12px;
  font-family:Arial, Helvetica, sans-serif;
  margin:0px;
  padding:0px;
  color:white;
}
ul,li{
  margin:0px;
  padding:0px;
}
li{
  display:inline;
  list-style:none;
  list-style-position:outside;
  text-align:center;
  font-weight:bold;
  float:left;
}
a:link{
  color:#336601;
  text-decoration:none;
  float:left;
  width:100px;
  padding:3px 5px 0px 5px;
}
a:visited{
  color:#336601;
  text-decoration:none;
  float:left;
  padding:3px 5px 0px 5px;
  width:100px;
}
a:hover{
  color:white;
  float:left;
  padding:3px 3px 0px 20px;
  width:88px;
  text-decoration:none;
  background-color:#539D26;
}
a:active{
  color:white;
  float:left;
  padding:3px 3px 0px 20px;
  width:88px;
  text-decoration:none;
  background-color:#BD06B4;
}
#nav{
  width:600px;
  height:30px;
  border-bottom:0px;
  padding:0px 5px;
  position:absolute;
  z-index:1;
  left: 198px;
  top: 25px;
}
.list{
  line-height:20px;
  text-align:left;
  padding:4px;
  font-weight:normal;
}
.menu1{
  width:120px;
  height:auto;
  margin:6px 4px 0px 0px;
  border:1px solid #9CDD75;
  background-color:#F1FBEC;
  color:#336601;
  padding:6px 0px 0px 0px;
  cursor:hand;
  overflow-y:hidden;
  filter:Alpha(opacity=70);
  -moz-opacity:0.7;
}
.menu2{
  width:120px;
  height:18px;
  margin:6px 4px 0px 0px;
  background-color:#F5F5F5;
  color:#999900;
  border:1px solid #EEE8DD;
  padding:6px 0px 0px 0px;
  overflow-y:hidden;
  cursor:hand;
}
</style>
</head>

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