:host {
  display: block;
  background: linear-gradient(to bottom right, mediumspringgreen, turquoise, dodgerblue, midnightblue);
  font-family: system-ui, sans-serif;
  padding: 0.5rem;
}

button {
  font-size: larger;
  font-weight: bold;
  background: mintcream;
  color: tomato;
  padding: 0.25em 0.5em;
  border-radius: 0.25em;
  cursor: pointer;
}

ul li .count {
  font-weight: bold;
}

ul li time {
  font-style: italic;
}