html {
  height: 100%;
  background: #fff;
}

body {
  margin: 0;
  height: 100vh;
  height: 100dvh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.picture {
  position: relative;
  width: min(100vw, calc(100vh * 2 / 3));
  width: min(100vw, calc(100dvh * 2 / 3));
  aspect-ratio: 2 / 3;
}

.picture img {
  display: block;
  width: 100%;
  height: 100%;
  user-select: none;
  -webkit-user-select: none;
}

.sound-button {
  position: absolute;
  left: 42.2%;
  top: 71.8%;
  width: 18.75%;
  height: 12.5%;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  transform: translate(-50%, -50%);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.sound-button:active {
  background: rgb(0 0 0 / 10%);
}

.sound-button:focus-visible {
  outline: 3px solid #c70000;
  outline-offset: 4px;
}