a.lololo {
  text-decoration: none;
  outline: none;
  display: inline-block;
  color: white;
  padding: 50px 30px;
  margin: 10px 20px;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  background-image: linear-gradient(to right, #9EEFE1 0%, #9999ff 51%, #9EEFE1 100%);
  background-size: 200% auto;
  box-shadow: 0 0 20px rgba(0,0,0,.1);
  transition: .5s;
    width: 380px;
  height:35px;
}
a.lololo:hover {background-position: right center;}