Thank you so much for your help DesignByDre!!!
I’ve solved that issue! I still have a small problem with my top horizontal menu, as contents overlap as you reduce browser width… feel free to give me your advice on that please!
I’ve also posted something here ( Non-clickable CMS Collection List items ) concerning non-clickable CMS Collection List items. There too, you’re welcome to help 
Hope i’ll read you soon. Have a great day!
PS: here a link to my website: https://preview.webflow.com/preview/exploramunt-com?utm_source=exploramunt-com&preview=ce07b493df99bb37585047a108afd263