rebuild flat theme with dark base color and rebase night.css on it

css/dijit_basic.less

@@ -0,0 +1,116 @@
+.flat {
+
+	li {
+		padding: 2px;
+	}
+
+	.filterRules span {
+		display: block;
+		color: green;
+	}
+
+	#filterDlg_Matches span.filterRule {
+		color: green;
+	}
+
+	.filterRules span.inverse,
+	#filterDlg_Matches span.filterRule.inverse {
+		color: red;
+	}
+
+	.dijitToolbar {
+		font-size: 13px;
+		padding: 0px;
+	}
+
+	.dijitAccordionContainer {
+		box-shadow : 0px 0px 8px rgba(0,0,0,0.1);
+	}
+
+	.dijitDialog .dijitDialogPaneContent {
+		background : @bg-panel;
+	}
+
+	.dijitTab:not(.dijitTabChecked) {
+		background : @bg-panel;
+	}
+
+	.dijitCheckBox.dijitCheckBoxChecked {
+		background-color : #69C671;
+	}
+
+	.dijitMenu .dijitMenuItem .dijitMenuItemLabel {
+		padding: 4px 8px;
+		font-size: 13px;
+	}
+
+	.dijitMenu .dijitMenuItem td {
+		padding: 0px;
+	}
+
+	.dijitCheckBox:before {
+		font-family: "flat-icon";
+		content: "\f00c";
+		color: white;
+	}
+
+	.dijitTree {
+		.dijitFolderClosed,
+		.dijitFolderOpened {
+			display : none;
+		}
+
+		.dijitTreeRowSelected {
+			.filterRules span {
+				color : white;
+			}
+
+			.dijitTreeExpando {
+				color : @color-accent;
+			}
+		}
+
+		.dijitTreeNode .dijitTreeRow.dijitTreeRowSelected {
+			color : white;
+		}
+
+		.dijitTreeRow .dijitTreeExpando {
+			position : relative;
+			top : -2px;
+		}
+		.labelParam {
+			float: right;
+			margin-right: 1em;
+		}
+
+		.labelParam.filterDisabled,
+		.dijitTreeLabel.filterDisabled {
+			text-decoration : line-through;
+		}
+
+		.feedParam {
+			color: @default-text;
+			float: right;
+			margin-right: 1em;
+		}
+
+		.filterRules {
+			display: block;
+			color: #ccc;
+			font-size: 12px;
+			margin-left: 100px;
+			line-height : normal;
+		}
+
+
+		.dijitTreeContainer {
+			max-width : 100%;
+		}
+
+		.dijitTreeRow {
+			overflow: hidden;
+			text-overflow: ellipsis;
+		}
+
+	}
+}