Transparent header

I'm trying to make the header transparent only on the homepage. I've tried several codes I found in this community. None works however. I'm on 7.1

www.mecanicimport.com

Hey! Add this to 'Design' > 'Custom CSS':

#collection-60a16bc25a77f977c4af1602 {
  .header {
background: transparent !important;
}
}

If that doesn't work, add this to your page's header injection by clicking the cog next to the page title and clicking 'Advanced'

<style>
    .header {
background: transparent !important;
}
</style>