html {
  background-image: url(images/background.jpg);
  background-size: contain;
}

body {
  font-family: sans-serif;
  color: #666666;
  line-height: 1.4;
  margin: 4em auto 12em;
  padding: 1rem 3vw 0.4rem;
  background-color: #ffffffdd;
  border-radius: 3px;
  width: 1370px;
  max-width: 75vw;
}

footer {
  margin: 5rem 0 0 0;
  border-top: 2px solid #eeeeee;
}

footer p {
  margin-top: 0.6em;
  font-style: italic;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1 {
  font-family: Nimbus Sans, DejaVu Sans, sans-serif;
  text-align: center;
  font-size: 3.6vw;
  margin-bottom: 4rem;
  color: #dddddd;
  text-shadow: 0.03em 0.03em 0.03em #3336;
}

#intro-boxes {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  gap: 2em;
}

#intro-boxes>* {
  flex-basis: 40%;
  flex-grow: 1;
  min-width: 20em;
}

#intro-boxes ul {
  padding-left: 1em;
}

#advice ul {
  padding-left: 1.2em;
}

#advice li {
  font-size: 1.2rem;
  margin-bottom: 1.2em;
  font-style: italic;
}

#what-next {
  margin: 6em 0;
}

#what-next p {
  font-size: 1.3rem;
}

#what-next a {
  font-weight: bold;
  border-bottom: 2px dotted #6666ff;
}

#what-next a:hover {
  text-decoration: none;
  background-color: #ffffcc;
}

h2 {
  margin: 2em 0 0.3em;
  border-bottom: 2px solid #eee;
}

h2>a {
  color: #666666;
}

h2>a:hover {
  color: #6666ee;
  text-decoration: none;
}

h2>a:hover::after {
  content: "🔗";
  padding: 0 0.6em;
}

ul.figlist {
  list-style-type: none;
  display: flex;
  flex-wrap: wrap;
  margin: 1em 0;
  padding: 0;
  gap: 1.1em;
}

.figlist li {
  background-color:#ffffff;
  border-radius: 0.3em;
}

.figlist a {
  display: block;
  padding: 4px;
  border-radius: 4px;
  border: 4px solid transparent;
  text-decoration: none;
}

.figlist a:hover,
.figlist a:focus {
  border-color: #3333ee;
}

.figlist img {
  max-width: 240px;
}

.figlist figcaption {
  text-align: center;
}

.figlist>li {
  display: grid;
}

.figlist>li>* {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

a.yt-link {
  content: '';
  width: 34px;
  height: 24px;
  border: none;
  margin: 8px;
  background-image: url(images/yt-button.png);
  padding: 0;
  line-height: 0;
  justify-self: end;
  align-self: end;
  opacity: 0;
}

li:hover>a.yt-link {
  opacity: 0.6;
}

li:hover>a.yt-link:hover,
a.yt-link:focus {
  opacity: 1;
}

.star-rating {
  font-size: 1.4rem;
  line-height: 1;
}