style.css

html,
body {
  height: 100%;
  margin: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  transition: all 0.5s;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  display: flex;
  flex-direction: column;
}

.container {
  flex: 1 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1em;
}

h1,
h2,
#state,
#aqi-explanation {
  justify-content: center;
  text-align: center;
}

h1 {
  font-size: 3.5em;
}

.aqi-result h1 {
  font-size: min(10em, 25vw);
  margin: 0;
}

#aqi-explanation {
  display: none;
}

.aqi-result #aqi-explanation {
  display: block;
}

h2 {
  font-size: 2.5em;
}

h3 {
  font-size: 1.5em;
}

h4 {
  font-size: 1.25em;
}

body.good {
  background-color: #68e143;
}

body.moderate {
  background-color: #ffff55;
}

body.unhealthy-for-sensitive-groups {
  background-color: #ef8533;
}

body.unhealthy {
  background-color: #ea3324;
  color: #fff;
}

body.very-unhealthy {
  background-color: #8c1a4b;
  color: #fff;
}

body.hazardous {
  background-color: #8c1a4b;
  color: #fff;
}

body.very-hazardous {
  background-color: #731425;
  color: #fff;
}

body .maybe-show {
  display: none;
}

body.very-hazardous .maybe-show.very-hazardous {
  display: revert;
}
body.hazardous .maybe-show.hazardous {
  display: revert;
}

body.very-unhealthy .maybe-show.very-unhealthy {
  display: revert;
}
body.unhealthy .maybe-show.unhealthy {
  display: revert;
}

body.unhealthy-for-sensitive-groups .maybe-show.unhealthy-for-sensitive-groups {
  display: revert;
}

body.moderate .maybe-show.moderate {
  display: revert;
}

body.good .maybe-show.good {
  text-align: center;
  display: revert;
}

body #explain-permissions {
  display: none;
}

body.requesting-location #explain-permissions {
  display: block;
}

a {
  color: inherit;
}

footer {
  flex-shrink: 0;
  padding: 1em;
  margin-bottom: env(safe-area-inset-bottom, 0);
  font-size: 0.8em;
  justify-content: space-between;
  align-items: center;
  display: flex;
}

footer div.right {
  margin-left: 1em;
  text-align: right;
}

#powerwash {
  opacity: 0.3;
}

body.privacy {
  height: auto;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1em;
}