week2.css

body {
  background: #438136;
}

.site-header__title {
  margin: 0;
  font-weight: 300;
  font-size: 2rem;
}

.exercise,
.solution {
  padding: 1rem;
}

.exercise__title,
.solution__title {
  margin: 1em 0;
  font-size: 1.2rem;
  font-weight: 500;
}

.exercise {
  background: rgba(255, 255, 255, 0.9);
}

.countries {
  margin: 0;
  padding: 1rem;
  list-style: none;
  background: #25262f;
}

.country {
  display: block;
  margin-top: 0.5rem;
  padding: 1rem;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 2px;
}

.countries + .site-header {
  margin-top: 2rem;
}

.country {
  margin-top: 0;
}

.countries--tall {
  min-height: 400px;
}

.solution {
  color: #fff;
  background: #438136;
}

.solution__image {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
}

@media (min-width: 767px) {
  .panel {
    display: grid;
    grid-template-columns: 50% 50%;
    width: 100%;
  }

  .exercise,
  .solution {
    padding: 2rem;
  }
}

@media (min-width: 1200px) {
  .exercise,
  .solution {
    padding: 3rem;
  }
}