*{
	margin: 0px;
	padding: 0px;
}
body,html{
	margin: 0px;
		padding: 0px;
	
}
.BG_img{
	width: 1920px;
	height: 1080px;
	position: fixed;
	top: 0px;
	left: 0px;
}

#zindex-1{
	width: 1058px;
	height: 622px;
	position: fixed;
	top: 200px;
	left: 600px;
	animation: myfirst5 3s infinite ease-in-out;
	animation-fill-mode:forwards;
	display: none;
}
#zindex-2{
	position: fixed;
	top: 50%;
	left: 50%;
	display: none;
	z-index: 5;
	animation: myfirst6 1s;
	animation-fill-mode:forwards;
}

@keyframes myfirst5{
	0%   {opacity: 1;}
	0%   {opacity: 0;}
	100%  {opacity: 1;}
}

@keyframes myfirst6{
	0%   {width: 0px;height: 0px;}
	
	100%  {width: 700px;height: 500px;margin: -250px 0px 0px -350px;}
}