html {
  position: relative;
  /* scroll smooth seperti javascript */
  /* scroll-behavior: smooth; */
}
body {
  margin-bottom: 150px;
}
.Clients_sec .img-thumbnail {
  opacity: 0;
  /* transform: translate(0, -100px); */
  /* transform: rotate3d(1, 0, 0, 180deg); */
  /* transform: translate(); */
  transition: 2s;
  border: 1px solid #fff;
}
.Clients_sec .img-thumbnail.muncul {
  opacity: 1;
  transform: translate(0, 0);
  /* transform: rotate3d(0, 0, 0, 0); */
}