body {
    font: 14px "microsoft yahei", Arial, Helvetica, sans-serif;
    color:#333;
    margin:0 auto;
    padding:0;
}
ul,li,p,h1,h2,h3,h4,h5,h6,dl,dt,dd {
    margin:0;
    padding:0;
    border:none;
    list-style:none;
}
.lf   {float:left;}
.rt  {float:right;}
.clear  {clear:both;}

img{
    border: 0;
}
a{
    text-decoration: none;
    color: #333;
}
h1,h2,h3,h4,h5,h6{
    font-weight: normal;
}