New User - my landing page rejected don't know why ?

I create landing page for dental business but don’t know why it get rejected. Below is link of landing page. Please guide me. In HTML file i use placeholder image.

  • Phone number decrease font-size, try change color to others… ‘nearly’ black
  • Use Times new Roman in button pretty … cheap
  • You have any banner slider to use … ?!
  • When Revealing answser, it should be transition
  • Should replace teeth 3 photos by divider

Just subjective opinions, maybe I’ done :smiley: