.back{


   background-image: url(../images/bb1.jpg);
    background-position: center bottom;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    height: 640px;

    
  
}
.associate{
  margin-top: 50px;
}

.thank{
  margin-top: 50px;
}

.wel{
 padding-top:150px;
}

.due-table{
  margin-top: 20px;
}
.paid-table{
  margin-top: 20px;
}

.epin-table{
  margin-top: 20px;
}