.btn-s {
  border: 2px solid #ff3000;
  background-color: white;
  color: #ff3000;
  padding: 14px 28px;
  font-size: 16px;
  cursor: pointer;
}

/* red */
.slide-b {
  border-color: #ff3000;
  color: #ff3000;
}

.slide-b:hover {
  background-color: #ff3000;
  color: white;
}

.btn-bl {
  border: 2px solid white;
  background-color:#2B2B2B ;
  color:white;
  padding: 14px 28px;
  font-size: 16px;
  cursor: pointer;
}

/* red */
.slide-bl {
  border-color: white;
  color: white;
}

.slide-bl:hover {
  background-color:black;
  border: 2px solid  white;
 	 color: white;
	text-shadow: 1 1 1 white;
}