html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: #000;
  font-family: 'Roboto', sans-serif;
  width: 340px;
  height: 540px;
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Roboto', sans-serif;
  font-weight: 300;
}

h1 {
  font-size: 33px;
}

h2 {
  font-size: 27px;
}

h3 {
  font-size: 23px;
}

h4 {
  font-size: 17px;
}

h5 {
  font-size: 13px;
}

h6 {
  font-size: 12px;
}

.hidden {
  opacity: 0;
  display: none;
  pointer-events: none;
}

.material-icons-default {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;  /* Preferred icon size */
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: 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. */
  font-feature-settings: 'liga';
}