Hello Lotfi,

For add contact form shortcode in Appointment Section follow below steps,

Step1. Go to Dashboard >> Appearance >> Customize >> Home section >> Appointment Section
Step2. Add Contact form Shortcode.

For add Contact form shortcode in Contact page follow below steps,

Step 1. Go to Dashboard >> Appearance >> Customize >> Contact US Page
Step2. Add Contact form Shortcode.

For Services Section,
We think you haven’t set all icons of services section that is why you are not able to show up the complete services.
Could you send us your WordPress credentials on [email protected] ? We will check this issue directly on your server.

Thank You.