button {
  width: 150px;
  height: 60px;
  border: 3px solid #343a40;
  border-radius: 45px;
  transition: all 0.3s;
  cursor: pointer;
  background: white;
  font-size: 1.2em;
  font-weight: 550;
  font-family: "Montserrat", sans-serif;
}

button:hover {
  background: #343a40;
  color: white;
  font-size: 1.5em;
}