Changed Color of Forum tables

I altered the CSS file here to change the color of the forum tables

\\moodle-lamp\worcn\sites\all\modules\advanced_forum_more_styles\styles\minimal\advanced_forum.css

Here is the weird thing... I changed this code

table.forum-topics th,
table.forum-table th {
  background: #7FBDEF;
  padding:3px 5px 3px 5px;
  font-size: 0.93em;

to this code

table.forum-topics th,
table.forum-table th {
  background: #006600;
  padding:3px 5px 3px 5px;
  font-size: 0.93em;

I expected it to turn green, but for some reason, it went with the default style of Navy blue.... Any thoughts?