Fixes to existing Joomla website

1. Signin Signup page connect with API. (API will be provided) 2. Talk to us form : I want validation which is used in signup page 3. Want to replace DJ image slider with responsive HTML slider. Previously used xpert slider, but its not responsive 4. Bootstrap popup and tool-tip not working. We need it for Pricing and Sign up page 5. I want to do changes like font, font color, size, position etc. in breadcrub. Which file should I edit. 7. About us menu is not displayed in mobile. Logo is linked to about us article 8. How to edit mobile menus? 9. In about us article design, customer logos are on the top. But when I call the module by adding {loadposition clients} code, it is showing on the top and bottom. 10. On mobile article has width issue. Please check the attached video.