表单
为换行
 为空格
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
input[class="username"]{
border: red dashed 1px;
background-color: green;
outline-style: none;
}
.email{
border: 0 none;
border-bottom: red dotted 1px;
outline-style: none;
}
.search{
background-image: url(images1/search.png);
background-repeat: no-repeat;
background-position: right;
outline-style: none;
border: 1px solid yellow;
}
.username:focus{
background-color: navajowhite;
}
</style>
</head>
<body>
<lable for="name">用户名</lable>
<input type="text" class="username" id ="name"/>
<br>
<br>
<lable>邮箱: </lable><input type="text" class="email" />
<br>
<br>
<lable>搜索一下:</lable><input type="text" class="search" />
</body>
</html>
