.lit-blue {
  position: relative;
    display: flex;
    overflow: hidden;
    width: 100%;
    height: 40px;
    max-width: 250px;
    margin: 1rem auto;
    text-transform: uppercase;
    align-items: center;
    padding: 20px 40px;
    background: linear-gradient(90deg, #ea651d, #ea651d, #d92b2b, #02adf0, #9dc1fc, #d92b2b, #ffaa0d, #ea651d);
  background-size: 400%;
    white-space: nowrap;
    font-family: 'Figtree';
    font-size: 14px;
  color:#FFF;
    letter-spacing: 1px;
    justify-content: center;
  box-shadow: 0px 2px 20px 0px rgba(0,0,0,0.2);
-webkit-box-shadow: 0px 2px 20px 0px rgba(0,0,0,0.2);
-moz-box-shadow: 0px 2px 20px 0px rgba(0,0,0,0.2);
  text-decoration:none;
  overflow: hidden;
  z-index: 1;
  transition: color 190ms ease-in-out;
}


.lit-blue:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: linear-gradient(90deg, #ea651d, #ea651d, #d92b2b, #02adf0, #9dc1fc, #d92b2b, #ffaa0d, #ea651d);
  background-size: 400%;
  opacity: 0;
  transition: .5s;
}
/**.lit-blue:hover a,
.lit-blue:hover span {
  color: #fff;
}
.lit-blue:hover:after {
  width: 110%;
} **/

.lit-blue:hover {
  animation: animate 10s linear infinite;
  color:#FFF;
}
.lit-blue:hover::before {
  filter: blur(25px);
  opacity: .8;
  animation: animate 10s linear infinite;
}
@keyframes animate {
  0% {
    background-position: 0%;
  }
  100% {
    background-position: 400%;
  }
}