body, h1, h2, h3, h4, h5, h6, hr, p, blockquote,dl, dt, dd, ul,ol, li,pre,form, fieldset, legend, button, input, textarea,th, td {
   　　margin: 0;　　padding: 0;}body,button, input, select, textarea {
   　　font: 12px/1.5 tahoma, arial, \5b8b\4f53, sans-serif;}h1, h2, h3, h4, h5, h6 {
   　　font-size: 100%; }address, cite, dfn, em, var {
    　　font-style: normal; }code, kbd, pre, samp {
   　　font-family: courier new, courier, monospace; }small {
   　　font-size: 12px; }ul, ol {
   　　list-style: none; }a {
   　　text-decoration: none; }a:hover {
   　　text-decoration: underline; }sup {
   　　vertical-align: text-top; }sub {
   　　vertical-align: text-bottom; }legend {
   　　color: #000; }fieldset, img {
   　　border: none; }button, input, select, textarea {
   　　font-size: 100%; }table {
   　　border-collapse: collapse; 　　border-spacing: 0; }