html {
  font-size: 10px;
  /* We have Fira Sans as default font in real device. But it isn't default in
   * browser. That's the main reason this line is here.*/
  font-family: "Fira Sans";
  font-weight: 100;
  font-style: italic;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
  background: #000;
}

body {
  background: url('images/background.png');
}

.txt-mid {
  font-size: 3.8rem;
}

.txt-large {
  font-size: 7rem;
}

.txt-center {
  text-align: center;
}

smart-button[type=rounded-corner-text] {
  width: 23.7rem;
  font-size: 2.4rem;
  font-weight: normal;
}

.slide {
  width: 100%;
  height: 100%;
  color: #fff;
  position: fixed;
}

.slide-section {
  position: absolute;
  margin-right: -50%;
  left: 50%;
  transform: translate(-50%, 0px);
}

.slide-section.top {
  top: 7.5rem;
}

.slide-section.mid {
  width: 152rem;
  height: 51rem;
  top: 24rem;
  overflow: hidden;
}

.slide-section.bottom {
  bottom: 10.5rem;
}

.slide-description {
  margin: 0;
  margin-bottom: 6rem;
}

.slide-description:last-child {
  margin-bottom: 0;
}

#app-usage-slide {
  background: rgba(0, 0, 0, 0.3);
}

#app-usage-terms-section {
  overflow: scroll;
}

#app-usage-terms-section:focus {
  outline: none;
}

#app-usage-terms-title {
  margin-bottom: 8rem;
}

#app-usage-slide-logo {
  width: 15rem;
  height: 15rem;
}

#app-usage-no-button {
  margin-right: 1.8rem;
}

#app-usage-arrow-icon {
  width: 6rem;
  height: 6rem;
  position: absolute;
  margin-right: -50%;
  bottom: 15rem;
  left: 50%;
  transform: translate(-50%, 0px);
  opacity: 1;
  transition: opacity 0.3s ease;
}

#app-usage-arrow-icon.hidden {
  opacity: 0;
}

#app-usage-arrow-icon[data-icon]::before {
  font-size: 6rem;
}