* {
  box-sizing: border-box;
}

body {
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  line-height: 1.4;
  margin: 5vh 20vw;
}

a {
  color: inherit;
}

section {
  margin-bottom: 20vh;
}

article {
  margin-bottom: 5vh;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: 300;
  margin: 0.25rem 0 1.3rem;
  line-height: 1.3;
}

h1 {
  margin-top: 0;
  font-size: 1.802rem;
}

h2 {
  font-size: 1.602rem;
}

h3 {
  font-size: 1.424rem;
}

h4 {
  font-size: 1.266rem;
}

h5 {
  font-size: 1.125rem;
}

ul {
  margin-bottom: 3em;
}

dl {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

dd {
  margin: 0;
  padding-right: 1rem;
  text-align: right;
  width: 20%;
}

dt {
  width: 80%;
}

.main-navigation {
  display: flex;
  flex-direction: row;
  padding: 0 0 2rem 0;
}

.main-navigation li {
  background-color: aquamarine;
  list-style: none;
  margin-right: 1rem;
  padding: 0.25rem 0.5rem;
}

.week {
  background-color: #eee;
  display: grid;
  grid-column-gap: 1em;
  grid-row-gap: 1em;
  grid-template-columns: 20% 80%;
  padding: 2em;
  border-radius: 25px;
}

.week-label {
  align-self: start;
  position: sticky;
  top: 0;
}

.current-week {
  background-color: yellow;
}

@media screen and (max-width: 1024px) {
  body {
    margin: 5vh 10vw;
  }
}

@media screen and (max-width: 1280px) {
  .week {
    grid-template-columns: 1fr;
  }
}
