the theme add a background on leaflet tiles

[12rambau]

I'm using leaflet maps in one of my libs and when I switch from light to dark theme, the background color become visible between the map tiles.

https://pygadm.readthedocs.io/en/latest/usage.html#get-items

[12rambau]

I did soe digging, it's actually a border issue:

html[data-theme=dark] .bd-content img:not(.only-dark):not(.dark-light) {
border-radius: .25rem;
}

html[data-theme=dark] .bd-content div.cell_output .text_html, html[data-theme=dark] .bd-content div.cell_output img {
border-radius: .25rem; 
 padding: .5rem;
}

I just need to find a clever selector and I'll propose a PR