Revert to original color declaration type.

src/styles/global/_variables.scss

@@ -18,15 +18,15 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-$background: rgb(229, 229, 229);
+$background: #e5e5e5;
-$componentbg: rgb(245, 245, 245);
+$componentbg: #f5f5f5;
-$componentfg1: rgb(38, 38, 38);
+$componentfg1: #262626;
 $componentfg2: rgba(0,0,0,.5);
 $componentfg3: rgba(0,0,0,.2); //#ccc
-$componentfg4: rgb(115, 115, 115);
+$componentfg4: #737373;
 $sidepanebg: white;
-$bordercolor: $componentfg3;
+$bordercolor: #ccc;
-$actioncolor1: rgb(132,184,25); //#84b819
+$actioncolor1: rgb(132,184,25);
 $actioncolor2: rgb(0,149,52);
 
 $grey3: rgba(0,0,0,.3);