CSS - transition animation

Question

.banderole.in {
    left: 0;
    -webkit-transition: all .5s .2s ease-in-out;
    -o-transition: all .5s .2s ease-in-out;
    -moz-transition: all .5s .2s ease-in-out;
    transition: all .5s .2s ease-in-out;
}