I changed this:
<div style="text-align:center; background-color: #BBCCBB; border-top: 1px solid #FFFFFF; border-left: 1px solid #FFFFFF; border-right: 1px solid #AAAAAA; border-bottom: 1px solid #AAAAAA; font-weight : bold;">
To this:
<div style="text-align:center; background-color: #639ACE; border-top: 1px solid #FFFFFF; border-left: 1px solid #FFFFFF; border-right: 1px solid #AAAAAA; border-bottom: 1px solid #AAAAAA; font-weight : bold;">
It should work. I'll keep trying. Thanks for all your help.