.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  margin: 10px 15px;
}

.icon-column {
  margin-right: 15px;
}

/* page layout */

.container {
  max-width: 600px;
}

/* results */

.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  margin: 10px 15px;
}

.icon-column {
  margin-right: 15px;
}

Set the container's max-width to 600px
Set the container's max-width to 600px
