.slideanim {visibility:hidden;}
.slidea {
    animation-name: slidea;
    -webkit-animation-name: slidea;
    animation-duration: 1s;
    -webkit-animation-duration: 1s;
    visibility: visible;
}
@keyframes slidea {
  0% {
    opacity: 0;
    transform: translateY(70%);
  } 
  100% {
    opacity: 1;
    transform: translateY(0%);
  }
}
@-webkit-keyframes slidea {
  0% {
    opacity: 0;
    -webkit-transform: translateY(70%);
  } 
  100% {
    opacity: 1;
    -webkit-transform: translateY(0%);
  }
}