.body{

    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 14px;
    line-height: 1.42857143;
    color: #333;
    text-align:center;
    margin-top:50%;
}




.input{
  height:20px;
  width:280px;
  line-height:20px;
  margin-top:10px;

}





.btn{
margin-top:10px;



}