#insBtn,
#insBtn2 {
  width: 180px;
  height: 100px;
  font-size: 24px;
  text-align: center;
  line-height: 100px;
  color: rgba(255,255,255,0.9);
  border-radius: 50px;
  background: linear-gradient(-45deg, #ffa63d, #ff3d77, #338aff, #3cf0c5);
  background-size: 300%;
  animation: anime 16s linear infinite;
}
#insBtn2 {
  position: absolute;
  margin-top: -70px;
  z-index: -1;
  filter: blur(30px);
  opacity: 0.8;
}
@-moz-keyframes anime {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
@-webkit-keyframes anime {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
@-o-keyframes anime {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}
@keyframes anime {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}