/*code sample from here*/
/*
[required code]
parent {
  opacity: 0;
}
parent span {
  //translate effect
  position: relative;
  top: xxx;
  left: xxx;
  //fade effect
  opacity: 0;
}
*/
.ex1 {
  opacity: 0;
}
.ex1 span {
  position: relative;
  top: 10px;
  left: 10px;
  opacity: 0;
}

.ex2, .ex3, .ex4 {
  opacity: 0;
}

.ex2 span, .ex3 span, .ex4 span {
  position: relative;
  font-size:22px;
  left: -10px;
  padding:2px;
  opacity: 0;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}