WaterIgnition/projects/watermeter/com.inductiveautomation.perspective/style-classes/framework/header/style.json

{
  "base": {
    "style": {
      "borderBottomColor": "var(--neutral-50)",
      "borderBottomStyle": "solid",
      "borderBottomWidth": "1px",
      "fontWeight": "500",
      "textAlign": "start"
    }
  }
}