body{
margin: auto;
padding: 125px 0 0 403px;
border: none;
background-image: url('bg01.jpg');
background-origin: border-box;
background-size: cover;
background-repeat: no-repeat;
}
form{
    margin: 642 0 0 -154;
    padding: 10px;
}
#txtCode{
padding: 50px 224px 45px 51px;
border-radius: 6px;
}
button{
padding: 44px 107px 44px 90px;
cursor: pointer;
}
@media screen and (min-width: 480px) {
body {
margin: auto;
padding: 125px 0 0 403px;

background-image: url('bg01.jpg');

background-size: cover;
background-repeat: no-repeat;
height: 100%;
    }
    #main {margin-left: 216px;}
  }