.boton_grande {
    margin:2px auto auto auto;
    font-size:12px;
    font-family:Arial, Helvetica, Sans;
    font-weight:bold; text-align:center;
    color:white; display:block;
    text-decoration:none;
    width:178px;
    text-align:left;
    text-indent:15px;
    height:16px;
    padding:2px 0 0 0;
    background-image:url(images/menu_lateral/boton_grande.jpg);
}

.sub_botones {
    width:161px;
    margin:auto;
    display:none;
}

.sub_botones a {
    margin:2px auto auto auto;
    text-decoration:none;
    font-size:12px;
    font-family:Arial, Helvetica, Sans;
    font-weight:bold;
    text-align:left;
    text-indent:8px;
    color:white;
    display:block;
    width:161px;
/*    height:18px;*/
    height:16px;
    padding: 2px 0 0 0;
}

.sub_botones a.construccion {
    background-image:url(images/menu_lateral/boton_construccion.jpg);
}

.sub_botones a.power {
    background-image:url(images/menu_lateral/boton_power.jpg);
}

.sub_botones a.pygas {
    background-image:url(images/menu_lateral/boton_pygas.jpg);
}

.sub_botones a.mineria {
    background-image:url(images/menu_lateral/boton_mineria.jpg);
}

.sub_botones a.compresion {
    background-image:url(images/menu_lateral/boton_compres.jpg);
}

.sub_botones a.forestal {
    background-image:url(images/menu_lateral/boton_forest.jpg);
} 

.sub_botones a.agricola {
    background-image:url(images/menu_lateral/boton_agri.jpg);
} 

.sub_botones a.bio {
    background-image:url(images/menu_lateral/boton_bio.jpg);
} 

.sub_botones a.aerop {
    background-image:url(images/menu_lateral/boton_aerop.jpg);
} 

.sub_botones a.autom {
    background-image:url(images/menu_lateral/boton_autom.jpg);
}