tour.theme.css in Drupal 8

.joyride-tip-guide .tour-tip-label {
  margin-top: 0;
}

.joyride-tip-guide h2 {
  margin: 10px 0;
  color: #fff;
  font-family: "Lucida Grande", "Lucida Sans Unicode", "DejaVu Sans", "Lucida Sans", sans-serif;
  font-size: 18px;
  font-weight: bold;
  line-height: 20px;
}

.joyride-tip-guide p {
  font-size: 13px;
  line-height: 18px;
}

.joyride-tip-guide .button {
  padding: 4px 1.5em;
  font-size: 14px;
  line-height: 17px;
}

.joyride-tip-guide a:hover,
.joyride-tip-guide a:focus {
  color: #000;
  background-color: #efefef;
}