html,body, h1, h2, h3, h4, h5, h6,p,blockquote,dl, dt, dd, ul, ol, li,pre,form, fieldset, legend, button, input, textarea,th, td,img,a{margin:0;padding:0;border:0;outline:none;}
html, body {
    height: 100%;
}
body { font-family: '微软雅黑','Microsoft Yahei', arial, 宋体; background: #fff;}
img { display: block;margin: 0;padding: 0; }
ul, ol{list-style: none;}
a{text-decoration:none;}