<input value="asd">
<style>
body{
	background:#EEE;
}
input{
	border-radius:3px;
	border:solid 2px #BBB;
	border-right:none;
	border-bottom:none;
	padding:5px 10px;
	color:#666;
}
</style>

<style>
div {
   width:200px;
   height:50px;
   background-color:lightblue;
}
input {
   position:absolute;
   top:20px;
   left:20px;
   border-width:4px;
   border-color:lightskyblue lightskyblue lightblue lightblue;
}

</style>
<div>
  <input type="text">
</div>