a.linkbtn_dw span
{
    background-image:url(../icons/dw2.png);
    background-repeat:no-repeat;
    background-position:0px 0px;
    height:30px;
    line-height:30px;
    width:97px;
    display:block;
    margin:5px;
}

a:hover.linkbtn_dw span
{
    background-image:url(../icons/dw2.png);
    background-repeat:no-repeat;
    background-position:0px -30px;
    height:30px;
    line-height:30px;
    width:97px;
    display:block;
    margin:5px;
}

a.linkbtn_zz span
{
    background-image:url(../icons/zz2.png);
    background-repeat:no-repeat;
    background-position:0px 0px;
    height:30px;
    width:97px;
    display:block;
    margin:5px;
    line-height:30px;
}

a:hover.linkbtn_zz span
{
    background-image:url(../icons/zz2.png);
    background-repeat:no-repeat;
    background-position:0px -30px;
    height:30px;
    width:97px;
    display:block;
    margin:5px;
    line-height:30px;
}

a.linkbtn_cj span
{
    background-image:url(../icons/cj2.png);
    background-repeat:no-repeat;
    background-position:0px 0px;
    height:30px;
    width:97px;
    margin:5px;
    line-height:30px;
    display:block;
}

a:hover.linkbtn_cj span
{
    background-image:url(../icons/cj2.png);
    background-repeat:no-repeat;
    background-position:0px -30px;
    height:30px;
    width:97px;
    margin:5px;
    line-height:30px;
    display:block;
}

a.linkbtn_qr span
{
    background-image:url(../icons/qr2.png);
    background-repeat:no-repeat;
    background-position:0px 0px;
    height:30px;
    width:97px;
    line-height:30px;
    margin:5px;
   display:block;
}

a:hover.linkbtn_qr span
{
    background-image:url(../icons/qr2.png);
    background-repeat:no-repeat;
    background-position:0px -30px;
    height:30px;
    width:97px;
    line-height:30px;
    margin:5px;
    display:block;
}
.plan_a
{
    text-align:center;
    width:220px;
    margin:5px auto 5px auto;
    position:relative; 
}
.plan_a a
{
    float:left;
    text-decoration:none;
}