Hi,
The reason I prefer the scroll bars to be always visible is for consistency. This way the area available for data is always the same.
The graph is inline SVG and can be styled with normal CSS. Simply inspect the graph’s elements and you will see the CSS rules that apply. Rules are in wallets-exchange/assets/styles/wallets-exchange.css. If you need to override them, use a child theme.
For example, to change the axis color to red, you would do:
.dashed-slug-wallets-exchange .chart-container path {
stroke: red;
}At some point I will add a section to the customizer screens but for now you have to do it manually.
with regards