open-consul/ui-v2/app/styles/base/components/notice/layout.scss

%notice {
  position: relative;
  padding: 1em;
}
/* this is probably skin */
%notice {
  padding-left: calc(1em + 32px);
}
%notice::before {
  position: absolute;
  left: 16px;
  top: 16px;
}