.error_404{
	background-color: #fff;
	padding: 0 15px;
	height: 100vh;
	box-sizing: border-box;
	display: flex;
	align-items: center;
	}
.error_404_main{
	width: 440px;
    height: auto;
    margin: 0 auto;
}
.error_404_main img{width: 517px;height: auto;display: block;margin: 0 auto 100px;}
.error_404_main p{font-size: 16px;line-height: 1;color: #999999;margin-bottom: 50px;text-align: center;}
.error_btn{width: 100%;height: 36px;text-align: center;}
.error_btn a{display: block;width: 67px;height: 34px;border-radius: 2px;font-size: 14px;line-height: 34px;text-align: center;display: inline-block;margin: 0 15px;}
.error_btn a.error_btn_a1{border: 1px solid #b2b2b2;background-color: #fff;color: #999999;}
.error_btn a.error_btn_a2{border: 1px solid #b2b2b2;color: #fff;background-color: #b2b2b2;}
@media only screen and (max-width: 900px) {
	.error_404_main{
		width: 240px;
	}
	.error_404_main img{width: 280px;height: auto;display: block;margin: 0 auto 40px;}
	.error_404_main p{font-size: 14px;line-height: 1;color: #999999;margin-bottom: 20px;text-align: center;}
}