UserUtils-Mirror/test/TestPage/index.css

body {
  font-family: sans-serif;
}

.selector-observer-subcont {
  background-color: rgba(0, 0, 255, 0.33);
  padding: 8px;
}

.selector-observer-item {
  font-family: "Cascadia Code", "Courier New", monospace;
  background-color: #57ed96;
  color: black;
}