html, body, div, span, applet, object, iframe,textarea,h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, input,button, abbr, acronym, address, big, cite, code,del, dfn, em, font, img, ins, kbd, q, s, samp,small, strike, strong, sub, sup, tt, var,b, u, i, center,dl, dt, dd, ol, ul, li,fieldset, form, label, legend,table, caption, tbody, tfoot, thead, tr, th, td ,menu {margin: 0;padding: 0;border: 0;outline: none;vertical-align: baseline;font-size: 12px;font-weight: normal;font-family: "Arial","microsoft yahei";
    color: #929292}
ol,ul,menu {list-style: none;}
a {text-decoration:none;}
:focus {outline: none;}
.clear:after {display: block;clear: both;content: "";visibility: hidden;height: 0;}
.clear {zoom: 1;}
a:hover {-webkit-tap-highlight-color:transparent;}
input[type="button"], input[type="submit"], input[type="reset"] {-webkit-appearance: none;border-radius: 0;-webkit-border-radius: 0;}
input:focus {-webkit-tap-highlight-color:rgba(0,0,0,0);-webkit-user-modify:read-write-plaintext-only;}
textarea { -webkit-appearance: none;}
/* 默认placeholder字体 */
input::-webkit-input-placeholder {color: #b4b4b4}
input:-ms-input-placeholder {color: #b4b4b4}
::-moz-placeholder {color: #b4b4b4}/* Mozilla Firefox 19+ */
:-moz-placeholder {color: #b4b4b4}/* Mozilla Firefox 4 - 18 */
textarea::-webkit-input-placeholder {color: #b4b4b4}
textarea:-ms-input-placeholder {color: #b4b4b4}