color rework + cleanup

sys/apps/system/cloud.lua

@@ -28,10 +28,10 @@ if _G.http.websocket then
 			event = 'update_key',
 		},
 		labelText = UI.TextArea {
-			x = 2, ex = -2, y = 6, ey = -4,
+			x = 2, ex = -2, y = 5, ey = -4,
 			textColor = colors.yellow,
 			backgroundColor = colors.black,
-			marginLeft = 0, marginRight = 0,
+			marginLeft = 1, marginRight = 1, marginTop = 1,
 			value = string.format(
 [[Use a non-changing cloud key. Note that only a single computer can use this session at one time.
 To obtain a key, visit: