*{padding:0;margin:0;}

body {
    color: #555;
    font-size: 16px;
    font-family: "Microsoft Jhenghei","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    line-height: 1.8;
}

::selection {
    background: #262a30;
    color: #fff;
}

a{
	color: #3ac19f;
}

.main{
	display: block;
	width: 700px;
	margin: 180px auto;
	text-align: center;
}

.logo{
	margin:20px;
	text-align: center;
	font-size: 30px;
	color: #3ac19f;
}

.mobile-768-block{
	display: none;
}

footer{
	margin-top: 15px;
}

@media screen and (max-width: 768px){
	.main{
		width:96%;
	}
	.mobile-768-none{
		display: none;
	}
	.mobile-768-block{
		display: block;
	}
}