You Tube Logo look good as you can see in the image below. It have heart sign with the flowers and an envelope with "mom" written on it. It is good to see dedication toward the biggest relation on the world which is over everything.
When you see the Google animate Doodle, which have more generous love of kids toward mother. Two kids runs to hug mother giving her flower to dedicate their love toward her. It was nice Doodle for such a auspicious day.