html:lang(zh) {
    letter-spacing: 0.04em;
	font-family:  "SimSun", "Microsoft YaHei", "Noto Sans CJK", sans-serif;
	line-height: 1.7;
}


h1{color:#999;	}
h2{font-size:1.8rem;}

/* .row{width:90%} */


.page-footer{background:#fff!important;color:#000}

footer{margin-top:5rem}
nav{height: 150px ;background:#fff!important;box-shadow: none!important;margin-bottom:2rem}

nav li a {color:#000}


.debug{border:1px solid #ff0000}
.debug2{border:1px solid #00ff00}

.spacer{margin:5rem 1rem}