.fade-in, .slide-down{
    transition: opacity 2s, margin 1s;
}

.fade-in{
	opacity:0;
	
}
.slide-down{
    margin-top:0px;
}
.slide-up{
    margin-bottom:0px;
}
.slide-up-reverse{
    margin-top:50px;
}
.slide-right{
    margin-left:0px;
}
.slide-left{
    margin-right:0px;
}
.slide-right-reverse{
    margin-right:50px;
}
.slide-left-reverse{
    margin-left:50px;
}