





.btnGraph{
    background: url(../img2/btn_graph.png) no-repeat center center;
    width:34px;
    height:34px;
    background-size: 100% 100%;
    cursor: pointer;
}
.btnGrid{
    background: url(../img2/btn_grid.png) no-repeat center center;
    width:34px;
    height:34px;
 
    background-size: 100% 100%;
    cursor: pointer;
}
.btnFiltros{
    background: url(../img2/btn_filtros.png) no-repeat center center;
    width:32px;
    height:32px;
 
    background-size: 80% 80%;
    cursor: pointer;
}