代碼：
<!DOCTYPE html>
<html>
<head>
<title>百度輸入?yún)^(qū)域</title>
<meta charset="utf-8">
<style type="text/css">
.inputdiv{
width: 700px;
height: 40px;
margin: 100px auto 0px auto;
position: relative;
left: 81px;
}
.inputdiv input{
width: 400px;
height: 36px;
outline-style: none;
border: 1px solid #ddd;
}
.inputdiv input:focus{
border: 0px;
outline-style: none;
border: 1px solid #317ef3;
}
.inputdiv .toke{
width: 40px;
height: 40px;
display: inline-block;
background-image:url(imgs/recode.png) ;
background-size: 25px 25px;
background-repeat: no-repeat;
background-position: center center;
position: relative;
left: -81px;
/*background: blue;*/
}
.inputdiv .toke:hover{
width: 40px;
height: 40px;
background-image:url(imgs/recode_hover.png);
background-size: 25px 25px;
background-repeat: no-repeat;
background-position: center center;
}
.inputdiv > *{
float: left;
}
.inputdiv .scan{
width: 40px;
height: 40px;
display: inline-block;
background-image:url(imgs/camera.png) ;
background-size: 25px 25px;
background-repeat: no-repeat;
background-position: center center;
position: relative;
left: -81px;
}
.inputdiv .scan:hover{
width: 40px;
height: 40px;
background-image:url(imgs/camera_hover.png);
background-size: 25px 25px;
background-repeat: no-repeat;
background-position: center center;
}
.inputdiv .line{
width: 1px;
height: 20px;
border-left: 1px solid #eee;
margin-top:10px;
position: relative;
left: -81px;
}
.inputdiv .search{
width: 100px;
height: 40px;
background: #317ef3;
text-decoration: none;
text-align: center;
line-height: 40px;
color: white;
position: relative;
left: -82px;
font-size: 14px;
}
.inputdiv .search:hover{
background: #418ef3;
}
</style>
</head>
<body>
<div class="inputdiv">
<div>
<input type="text" name="content">
</div>
<span class="toke"></span>
<span class="line"></span>
<span class="scan"></span>
<a class="search" href="#" >百度一下</a>
</div>
</body>
</html>
效果：
效果圖
17級上課視頻：
百度云視頻：https://pan.baidu.com/s/1jHBLSay
