body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td,hr,button,article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section {
    margin:0;padding:0;;
}
body {
    font: 400 16px/1.5 Misans, Arial, "Microsoft Yahei", sans-serif;
	text-align:center;
	background:#ecf0f1;
}
#main {
	height:100%;
	width: 100%; 
	position: fixed;
	top: 0;
	left: 0;
	z-index:3;
	background:#fff url("http://photo.tuchong.com/474153/f/18965764.jpg") center top no-repeat;	
  	background:#000;	
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}
h1 {
	margin:150px auto;
    font: 800 72px/1.5 Arial,"Microsoft Yahei", sans-serif;
	line-height: 1.35;
	color:#fff;
}
#v {
	color:#2ecc71;
}
p{
	font-size:80px;
  	color:#fff;
  	font-family:Misans, sans-serif;
}
#f1 {
	font-weight: 100;
  	font-variation-settings: 'wght' 100;
}
#f2 {
	font-weight: 200;
  	font-variation-settings: 'wght' 200;
}
#f3 {
	font-weight: 300;
  	font-variation-settings: 'wght' 300;
}
#f4 {
	font-weight: 400;
  	font-variation-settings: 'wght' 400;
}
#f5 {
	font-weight: 500;
  	font-variation-settings: 'wght' 500;
}
#f6 {
	font-weight: 600;
  	font-variation-settings: 'wght' 600;
}
#f7 {
	font-weight: 700;
  	font-variation-settings: 'wght' 700;
}
#f8 {
	font-weight: 800;
  	font-variation-settings: 'wght' 800;
}
#f9 {
	font-weight: 900;
  	font-variation-settings: 'wght' 900, 'GRAD' 999;
}