body{font-family:"microsoft yahei","sans-serif",; }
header,nav,footer{display: block;}
 
body, h1, h2, h3, h4, h5, h6, hr, p,
blockquote, 
dl, dt, dd, ul, ol, li, 
pre, 
form, fieldset, legend, button,  
th, td,  
img {border:medium none; margin: 0;padding: 0;}
h1, h2, h3, h4, h5, h6 { font-size: 100%; } 
ul, ol { list-style: none; } 
a { text-decoration: none; color:#333;} 
img{ border:0;}
 
table { border-collapse: collapse; border-spacing: 0; }
 
body, h1, h2, h3, h4, h5, h6, hr, p,
blockquote,
dl, dt, dd, ul, ol, li, 
pre,
form, fieldset, legend, button, 
img{  border:medium none; margin: 0; padding: 0;}