* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  padding: 10px;
}

.task {
  margin-bottom: 10px;
  padding-bottom: 10px;
}

.task:not(:first-child) {
  margin-top: 10px;
}

.task:not(:last-child) {
  border-bottom: 1px solid black;
}

.task > p {
  margin-bottom: 5px;
}

.task > small {
  display: inline-block;
  background-color: yellow;
  border-radius: 5px;
  padding: 2.5px;
}

.overdue {
  background-color: red !important;
}