@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed&display=swap');

body {
  max-width:23em;
  padding:.5em;
  margin:0 auto;
  font-family: 'Roboto Condensed', sans-serif;
  background-color: #fff;
  color: #000;
}

div.content {
  max-height: 600px;
  overflow: hidden;
}

a {
  color:#ff0040;
}
a:visited {
  color:#aa002d;
}

.correct {
  color:green;
}

.incorrect {
  color:darkred;
}

img {
  max-width: 100%;
  margin:0 auto;
}