link colour and link hover colour

Hello,
I am changing the colours for some friends of mine who uses your great forum punBB.
I just took an existing style and changed the colours, according to their website. (www.helpthem.nl).
I also changed the colours for the links as you click, hover or have clicked them.
first it worked, but now not anymore and i don't know why.
They do not have to change, they just need to stay in the same colour.
Now they appear in the original colour blue & purple, but i gave them all this colour 786838.
below i have a piece of the style helpthem_cs.css copied.
/****************************************************************/
/* 4. LINK COLOURS */
/****************************************************************/

/* 4.1 This is the default for all links */

.pun A:link, .pun A:visited {COLOR: #786838}
.pun A:hover {COLOR: #786838}

/* 4.2 This is the colour for links in header rows and the navigation bar */

.pun H2 A:link, .pun H2 A:visited, #brdmenu A:link, #brdmenu A:visited {COLOR: #786838}
.pun H2 A:hover, #brdmenu A:hover {COLOR: #786838}

/* 4.3 This is for closed topics and "hot" links */

LI.postreport A:link, LI.postreport A:visited, TR.iclosed TD.tcl A:link, TR.iclosed TD.tcl A:visited {COLOR: #786838}
LI.postreport A:hover, TR.iclosed TD.tcl A:hover {COLOR: #786838}
LI.maintenancelink A:link, LI.maintenancelink A:visited {COLOR: #786838}
LI.maintenancelink A:hover {COLOR: #786838}

So you can see it's all the same colour for the links.

you can see the forum here http:\\helpthem.nl\forum

Please can somebody help me on this? I can't figure out why it changes in original colours...

Thanks very much, see ya! Jerry