Code:

.username a {
// Properties and values here
}

Code:

.name strong a {
// Properties and values here
}

Code:

.postprofile-details dt a {
// Properties and values here
}

Code:

.postprofile dl dt strong a {
// Properties and values here
}

Unknown Data wrote:I think it's either PunBB or phpBB2 because He's using templates, but posted them all to be sure.

PunBB:

Code:

.username a {
// Properties and values here
}

phpBB2:

Code:

.name strong a {
// Properties and values here
}

Invision:

Code:

.postprofile-details dt a {
// Properties and values here
}

phpBB3:

Code:

.postprofile dl dt strong a {
// Properties and values here
}

Code:

.name a {
    font-size: 20px;
}

Code:

{postrow.displayed.POSTER_NAME}

Code:

.name a {
background-image: url('YOUR IMAGE LINK HERE');
}

Code:

{postrow.displayed.POSTER_NAME}

Code:

<span class="ime">{postrow.displayed.POSTER_NAME}</span>

Code:

.ime {
background-image: url('YOUR IMAGE LINK HERE');
}