.oew-btn-effect-1 a {
  color: rgba(0,0,0,1);
  position: relative;
  border: 1px solid rgba(0,0,0,0.2);
}

.oew-btn-effect-1 a:hover {
  background-color: rgba(0,0,0,0.1);
  -webkit-border-radius: 25px;
  -moz-border-radius: 25px;
  border-radius: 25px;  
}