+/* continents */
+td.c-af {background: #FFC}
+td.c-eu {background: #FDC}
+td.c-as {background: #FDD}
+td.c-oc {background: #EEDDF4}
+td.c-aa {background: #E3E8FF}
+td.c-sa {background: #DFF}
+td.c-na {background: #DFD}
+
+/* code syntax */
+.sy-comment { color: #888 }
+.sy-constant { color: #008 }
+.sy-type,
+.sy-identifier { color: #804 }
+.sy-statement { }
+.sy-preProc { }
+.sy-special { color: #408 }
+.sy-error { font-weight: bold; background-color: #F00; color: #FFF }
+.sy-todo { background-color: #FF0 }
+