.fi-input #zipbtn {
  margin: 0 0 0 8px;
  display: inline-block;
  width: 96px;
  padding: 4px;
  background: #FFB71E;
}

@media all and (max-width:800px) {
  .fi-input input[type="text"]#sf_address_number01,
  .fi-input input[type="text"]#sf_address_number02 {
  	width: 24%;
  }
  .fi-input #zipbtn {
    margin: 0 0 0 8px !important;
    width: 96px !important;
    padding: 4px !important;
  }
}

@media all and (max-width:600px) {
  .fi-input input[type="text"]#sf_address_number01,
  .fi-input input[type="text"]#sf_address_number02 {
  	margin-bottom: 8px;
  	width: 28%;
  }
  .fi-input #zipbtn {
  	display: block;
    margin: 0 !important;
    width: 50% !important;
    padding: 4px !important;
  }
}