/* Big button */
	span.button a { 
		color: #ffffff;
	    height: 26px;
	    font: bold 12px/30px Helvetica, Arial, sans-serif;
	    text-decoration: none;
	    float: left; 
    display: block;
    overflow: hidden;
    padding: 0;
}
	span.button a:visited{ 
		color: #ffffff;
}
    span.button a span {
        display: block;
        white-space: nowrap;
        padding: 0 4px 4px 0;
        line-height: 25px;   
        cursor: pointer;
    }



/* Buscar */
 

span.button a.green{
	color: #ffffff;
    padding: 0 0 0 28px;
    background: url(../img/butt_left.gif) left top no-repeat;
}
span.button a.green:hover {
    padding: 0 0 0 28px;
       background: url(../img/butt_left.gif) 0 -26px no-repeat;
}
    span.button a.green span {
        background: url(../img/butt_right.gif) right top no-repeat;
        padding-right: 28px;
       
    }
    span.button a.green:hover span {
    	padding-right: 28px;
        background: url(../img/butt_right.gif) right -26px no-repeat;
    }