.alert_box{
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 100;
	background-color: brown;
	background-color: #000;
	display: flex;
	justify-content: center;
	align-items: center;
/*	display: none;*/
	opacity: 0.0;
}


.background-split,
#wrapper{
	opacity: 0.0;
}

.center_box{
	text-align: center;
	font-size: 14pt;
	line-height: 1.8em;
}

.miru{
	display: inline-block;
	padding: 5px 23px;
	background-color: #2f2f2f;
	margin-top: 25px;
	transition: 0.4s;
}

.miru:hover{
	cursor: pointer;
	background-color: #151515;
}

@media screen and (max-width: 800px) {
	.center_box{
		font-size: 23pt;
	}
}