Hi Maurice
To edit the slogon font size and family of your templates text based logo try adding the following to the Custom CSS field of your templates parameters..
[code type=css]p.site-slogan {
color: #555555;
font-family: tahoma;
font-size: 18px;
}[/code]
Editing to taste.
For the benefit of other users could you post new questions to a new post
.
Ciarán