.NormalBold
This is for any text that requires emphasis. Generally you will find this within the admin settings page of a module.
.NormalBold
{
font-family: Tahoma, Arial, Helvetica;
font-size: 20px;
font-weight: bold
}
.NormalRed
The text styling for any error messages, for example, on the registration page if a user does not enter the correct details.
.NormalRed
{
font-family: Tahoma, Arial, Helvetica;
font-size: 18px;
font-weight: bold;
color: #ff0000
}