.animation{
	opacity : 0;
	visibility: hidden;
	transition: 1s;
}
.animation_normal {
	transform: translateY(30px);
}
.animation_left{
	transform: translateX(30px);
}
.animation_right{
	transform: translateX(-30px);
}
.active{
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}