* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
    font-family: Arial;
    margin: 1em;
}
h1 {
    margin: 0.5em 0;
    color: hsl(182.8, 70.2%, 42.2%)
}
li {
    margin-left: 1em;
}
p {
    margin: 1em 0;
}
footer {
    margin-top: 2em;
    font-size: 0.75rem;
}

.media-track {
    margin: 1ex 0;
    padding: 1ex;
    border: 1px solid hsl(0, 0%, 88.2%);
}

option.unused {
    font-style: italic;
    color: red;
}