.url {
      color: #000088;
      font-family: Courier;
}
figcaption {
  text-align: center;
}

figure img {
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 767px) {
  #menu {
    position: fixed;
  }
}

@media print {
    #menu {
      display: none;
    }
    #quiz {
        border: 0 !important;
        width: 100%;
        margin-left: 0;
    }
  }

#difficulty {
    width: 150px;
}

.screenshot {
  box-shadow: 0 0 10px #888;
  border: 1px solid #aaa;
  border-radius: 7px;
}

body {
    background-color: #e8eef7;
    padding: 2em;
}

#quiz {
    padding: 1em;
    background-color: white;
    border: 1px solid #ccc;
}

.question {
    padding: 1em;
    margin: 2em;
    border-left: 3px solid darkorange;
}

.question-string {
    font-weight: bold;
}

.center-block {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

textarea {
    width: 75%;
    height: 9em;
}

input {
    width: 75%;
}

code.terminal {
    background-color: black;
    color: white;
    font-family: Courier, monospace;
    padding: 1em;
    margin: 1em;
    display: block;
    white-space: normal;
}

.argument {
    font-family: Courier, monospace;
    font-weight: bold;
}

.website{
  font-style: italic;
  font-variant: small-caps;
  color:dodgerblue;
}