body { font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,Liberation Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji; margin: 0; } header { background-color: {{.HeaderColor}}; color: #fff; font-size: 1rem; padding: 1rem; } main { padding: 1rem; } label { display: inline-block; width: {{.Form.Width}}em; } {{.ExtraCSS}}