body,
html {
  padding: 0;
  margin: 0;
  font-family: 'Roboto', sans-serif;
}
*,
*:before,
*:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

#reader-container {
  width: 80%;
  height: 85%;
  min-height: 500px;
  position: relative;
  top: 80px;
  left: 0;
  right: 0;
  /*bottom: 16px;*/
  margin: auto;
  background: transparent;
  z-index: 2;
}
#reader-container.wbg {
  background: inherit;
}
#reader-container:fullscreen {
  background: url(image/background.png) 50% 50% no-repeat;
  background-size: cover;
}
#reader-container:-webkit-fullscreen {
  background: url(image/background.png) 50% 50% no-repeat;
  background-size: cover;
}
#reader-container:-webkit-full-screen {
  background: url(image/background.png) 50% 50% no-repeat;
  background-size: cover;
}
#reader-container:-moz-fullscreen {
  background: url(image/background.png) 50% 50% no-repeat;
  background-size: cover;
}
#reader-container:-ms-fullscreen {
  background: url(image/background.png) 50% 50% no-repeat;
  background-size: cover;
}
#background {
  z-index: 1;
  background: url(image/background.png) 5% 5% no-repeat;
  background-size: cover;
  height: 100vh;
  width: 100vw;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  -webkit-filter: sepia(50%) hue-rotate(155deg) saturate(20%);
  filter: sepia(50%) hue-rotate(155deg) saturate(20%);
}
.icon {
  color: rgba(0, 0, 0, 0.87);
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  /* Preferred icon size */
  display: inline-block;
  line-height: 48px;
  text-transform: none;
  text-align: center;
  letter-spacing: normal;
  -ms-word-wrap: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  /* Support for all WebKit browsers. */
  -webkit-font-smoothing: antialiased;
  /* Support for Safari and Chrome. */
  text-rendering: optimizeLegibility;
  /* Support for Firefox. */
  -moz-osx-font-smoothing: grayscale;
  /* Support for IE. */
  -moz-font-feature-settings: 'liga';
  -webkit-font-feature-settings: 'liga';
  font-feature-settings: 'liga';
}
.icon.invert {
  color: rgba(255, 255, 255, 0.87);
}
.mobile-only {
  display: none;
}
@media only screen and (max-width: 1220px) {
  .desktop-only {
    display: none;
  }
  .mobile-only {
    display: initial;
  }
}
@media only screen and (max-width: 670px) {
  .header .logo {
    display: none;
  }
  .header .center {
    padding-left: 8px;
  }
  #reader-container {
    width: 100%;
    height: 85%;
  }
  .demo-info {
    top: 90px;
  }
}
@media only screen and (max-width: 419px) {
  .header .center .button {
    margin: 0;
  }
  .header .center .button a {
    padding: 0 8px;
  }
}