Add CSS table generic styles (no-border and no-background)

coin/static/css/local.css

@@ -133,6 +133,17 @@ h2 {
 table.full-width {
     width:100%;
 }
+table.no-border {
+    border: none;
+}
+table.no-background {}
+table.no-background,
+table.no-background thead,
+table.no-background tfoot,
+table.no-background tr {
+    background: transparent;
+}
+
 
 /* Footer */