I am building a custom layer list widget that also displays the legend in experience builder. For whatever reason, I can't get this gray border to change colors. I am trying to get it white but I can turn every else white except this border, and it occurs between the legend and layer name, the layer names and the group layer name, and the whole layer list. Any ideas on what it might be? I am using a scss style sheet and also changed the container background color inline with the HTML.