.bkm_entershow {
  opacity: 0;
  transition: all 1s ease-in;
  transition: all 1s ease-in;
  -moz-transition: all 1s ease-in;
  -webkit-transition: all 1s ease-in;
  -ms-transition: all 1s ease-in;
  -o-transition: all 1s ease-in; }
  .bkm_entershow.enterin {
    opacity: 1; }