*{
	padding: 0px;
	margin: 0px;
}
html,body{
	width: 100%;
	height: 100%;
	padding: 0px;
	margin: 0px;
	box-sizing: border-box;


}
body{
	overflow-x: hidden;
}
/* 内外边距通常让各个浏览器样式的表现位置不同 */
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;
}
ul{
	list-style: none;
}
.section{
	min-height: 9.5rem;
}

.footeriframe{
	opacity: 0;
}
