.tablita, .tablita th, .tablita td.inner {
border: 1px solid black;
}
.pos{
background-color:green;
color:white;
}
.imp{
background-color:red;
color:black;
}
.ant{
background-color:white;
color:white;
}

#tabla_res_ROA , #tabla_res_ROA td  {
	border: 1px solid black;
}