@keyframes appear{
	from {background-color:#AAAAAA;}
	to {background-color:#292929;}
}

body {
	background-color: #292929;
	animation-name:appear;
	animation-duration:3s;
}

@keyframes zoom{
	from {transform:scale(0.4);}
	to {transform:scale(1);}
}

img.img_center {
	display:block;margin: auto;
	margin-top:20vh;
	animation-name:zoom;
	animation-duration:3s;
}