open-consul/ui/packages/consul-ui/app/components/shadow-template/debug.scss

[id^='docfy-demo-preview-shadow-template'] .component-name::part(header)::before,
[id^='docfy-demo-preview-shadow-template'] component-name::part(header)::before {
  @extend %with-logo-consul-color-icon, %as-pseudo;
  width: 2rem; /* 32px */
  height: 2rem; /* 32px */
}