.btn-border_po {
  display: inline-block;
  width: 360px;
  text-align: center;
  background-color: #502200;
  border: 1px solid #502200;
  font-style: normal;
  font-size: 17px; 
  color: #ffffff;
  text-decoration: none;
  font-weight: 400;
  padding: 1.0em 1.0em 1.0em 1.0em;
  border-radius: 6px;
  transition: .3s;
}

.btn-border_po:hover {
  background-color: #ffffff;
  border-color: #502200;
  color: #502200;
}