.btn-border_ab1 {
  display: inline-block;
  width: 280px;
  text-align: center;
  background-color: #A78D00;
  border: 1px solid #A78D00;
  font-style: normal;
  font-size: 16px; 
  color: #ffffff;
  text-decoration: none;
  font-weight: normal;
  padding: 0.9em 0em 0.9em 0em;
  border-radius: 4px;
  transition: .3s;
}

.btn-border_ab1:hover {
  background-color: #ffffff;
  border-color: #A78D00;
  color: #A78D00;
}