Yes - we know you are probably confused. Wait a second; let me try and explain.
What does W3C mean?
The W3C CSS Validation Service is free software created by the W3C to help Web designers and Web developers check Cascading Style Sheets (CSS).
So we checked ProjectOffice.net in the service and – we are really proud of the results.
See for yourself:
Congratulations to our web designers and congratulations to the ProjectOffice.net Team.