How Do I get rid of the thin white line between the drawer menu and my homepage?

How Do I get rid of the thin white line between the drawer menu and my homepage? I’ve included a screenshot for reference.

Theme: Origin

URL: billon.maison

Hi @MaisonBillonDon ,

Go to Online Store, then Theme, and select Edit Code.
Search for base.css/theme.css/style.css/main.css/custom.css file Add the provided code at the end of the file.

div#menu-drawer {
    border: none !important;
    box-shadow: none !important;
}

Hi @MaisonBillonDon

I hope you are well. You can follow our instructions below:

1/ Shopify admin > Online store > Edit code: https://prnt.sc/M4p-gua99Uf4
2/ Search for “theme.liquid” file: https://prnt.sc/b6xveIKe-Rh2
3/ Open the file and search for tag and add the following code above tag: https://prnt.sc/KWtKYyZkDtYJ

Here is the code for Step 3:

{% style %}

div#menu-drawer {
border-right: 2px solid #19100B !important;

}

{% endstyle %}