*{
    box-sizing: border-box;
}
body {
    margin:0;
    padding:0;
}

ul,h1,h2,h3,h4,h5,p {
   margin: 0;
}

h1 {font-size:xx-large;}
h2 {font-size:x-large;}
h3 {font-size:large;}
h4 {font-size:medium;}
h5 {font-size:small;}
h6 {font-size:x-small;}

hx {
    font-weight:normal;
    font-size:value;
}

ul, ol, dd {
    list-style-type:none;/*清楚列表样式符*/
    margin-left:0;/*清楚IE左缩进*/
    padding-left:0;/*清楚非IE左缩进*/
}

a {
    text-decoration:none;
    /* color:#colorname; */
}
img {
	max-width: 100%;
	height: auto;
    border:0;
    vertical-align: top;

}