body{

	font-family: Roboto,"Droid Sans",Helvetica,"Helvetica Neue","Heiti SC",sans-serif; 

}

html, body, div, span, object, iframe,

h1, h2, h3, h4, h5, h6, p, blockquote, pre,

abbr, address, cite, code,

del, dfn, em, img, ins, kbd, q, samp,

small, strong, sub, sup, var,

b, i,

dl, dt, dd, ol, ul, li,

fieldset, form, label, legend,

table, caption, tbody, tfoot, thead, tr, th, td,

article, aside, canvas, details, figcaption, figure, 

footer, header, hgroup, menu, nav, section, summary,

time, mark, audio, video {

	margin:0;

	padding:0;

	border: none;

	outline: none;

}

article,aside,details,figcaption,figure,

footer,header,hgroup,menu,nav,section { 

    display:block;

}

address,caption,cite,code,dfn,em,strong,th,td,var,i {

	font-weight: normal;

	font-style: normal;

}

ul, ol, nav {

	list-style: none;

}

blockquote, q {

	quotes:none;

}

blockquote:before, blockquote:after,

q:before, q:after {

	content:'';

	content:none;

}

a, ins {

	text-decoration: none;

}

table {

	border-collapse: collapse;

	border-spacing: 0;

}

caption, th, td {

	text-align: left;

}

/*可能作为按钮的控件*/

div, a, img, input {

	-webkit-tap-highlight-color: transparent;

	-webkit-appearance: none;

}

/*用户输入时,placeholder消失*/

input:focus::-webkit-input-placeholder,

textarea:focus::-webkit-input-placeholder{

	color:transparent;

}

/*常用class*/

.clearfix:after {

	visibility:hidden;

	display:block;

	font-size:0;

	content:" ";

	clear:both;

	height:0;

}

.fn-hide{

	display: none;

}

/*长按时不触发系统的菜单*/

.fn-nocallout{

	-webkit-touch-callout: none;

}

/*无法选择文本*/

.fn-noselect{

	-webkit-user-select: none;

}

/*禁止文字缩放*/

.fn-noadjust{

	-webkit-text-size-adjust: none;

}

/*禁止拖动*/

.fn-nodrag{

	-webkit-user-drag: none;

}

/*页面宽度限制*/

.wrapper{

	margin: 0 auto;

	max-width: 768px;

}