section {
  display: flex;
  flex-direction: row;
  padding: 0;
  margin: 0;
  justify-content: flex-start;
}
section > li,
section > article {
  display: block;
  padding: 1em;
  margin: 1em;
  border: solid 1px #ccc;
  box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.2), 2px 2px 2px rgba(0, 0, 0, 0.2);
  background-color: white;
}
section > article > section,
section > article > ul {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  padding: 0;
  margin: 0;
  margin-bottom: 1em;
}
section > article > section > label,
section > article > ul > label {
  margin-right: 1em;
  flex-shrink: 0;
  flex-grow: 0;
}
section > article > section > label:after,
section > article > ul > label:after {
  content: ':';
}
section > article.us label {
  width: 150px;
}
section > article.useful label {
  width: 189px;
}