.clearbutton { /* generic container (i.e. div) for floating buttons */
    overflow: hidden;
    width: 100%;
}

a.button {
    background: transparent url('../../images/singlesignon/button_right.gif') no-repeat scroll top right;
    color: black;
    display: block;
    float: left;
    font: normal 12px arial, sans-serif;
    height: 29px;
    margin-right: 6px;
    padding-right: 13px; /* sliding doors padding */
    text-decoration: none;
}

a.button span {
    background: transparent url('../../images/singlesignon/button_left.gif') no-repeat;
    display: block;
    line-height: 19px;
    padding: 5px 0px 5px 13px;
} 

a.button:hover {
    background-position: bottom right;
    color: #000;
    outline: none; /* hide dotted outline in Firefox */
}

a.button:hover span {
    background-position: bottom left;
    /*padding: 6px 0 4px 13px;*/ /* push text down 1px */    
}