/** �������߾� **/
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, /* structural elements �ṹԪ�� */
dl, dt, dd, ul, ol, li, /* list elements �б�Ԫ�� */
pre, /* text formatting elements �ı���ʽԪ�� */
form, fieldset, legend, button, input, textarea, /* form elements ���Ԫ�� */
th, td, /* table elements ���Ԫ�� */
menu
 {
margin: 0;
padding: 0;
}

/** ����Ĭ������ **/
body,
button, input, select, textarea /* for ie */ {
font: 12px/1.5 microsoft yahei,tahoma, arial, simsun, sans-serif;
}
h1, h2, h3, h4, h5, h6 { font-size: 100%;font-weight:normal; }
address, cite, dfn, em, var { font-style: normal; } /* ������ */
code, kbd, pre, samp { font-family: courier new, courier, monospace; } /* ͳһ�ȿ����� */
small { font-size: 12px; } /* С�� 12px �����ĺ����Ķ����� small ������ */

/** �����б�Ԫ�� **/
ul, ol { list-style: none; }

/** �����ı���ʽԪ�� **/
a { text-decoration: none; }
a:hover { text-decoration: underline; }


img { border: 0; } /* img ������������ img �ޱ߿� */
button, input, select, textarea { font-size: 100%; } /* ʹ�ñ��Ԫ���� ie ���ܼ̳������С */
/* ע��optgroup �޷����� */

/** ���ñ��Ԫ�� **/
table { border-collapse: collapse; border-spacing: 0; }
.f_c:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}
.f_c{*zoom:1;}
.f_l{float: left;}
.f_r{float: right;}
li{list-style: none;}