.box{
position: relative;
}
.left{
position: absolute;
top: 1px;
left: 0px;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
.box{
width: 1226px;
height: 460px;
margin: 0 auto;
position: relative;
}
.left{
width: 234px;
height: 457px;
position: absolute;
top: 1px;
left: 0px;
}
.left_s{
position: absolute;
left: 244px;
top: 214px;
}
.right_s{
position: absolute;
right: 0px;
top: 214px
;
}
</style>
</head>
<body>
<div class="box">
<div class="img">
<img src="images/1.jpg"/>
</div>
<div class="left">
<img src="images/xiaom_left.png" alt="" />
</div>
<div class="left_s">
<img src="images/left.png" alt="" />
</div>
<div class="right_s">
<img src="images/right.png" alt="" />
</div>
</div>
</body>
</html>