html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: #fff;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}
#root {
  width: 100vw;
  height: 100vh;
  position: relative;
}
.display-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: contain;
  background: #fff;
}
.bottom-text {
  position: absolute;
  left: 50%;
  bottom: 5%;
  transform: translateX(-50%);
  color: #222;
  background: rgba(255,255,255,0.8);
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 1.3em;
  text-align: center;
  font-family: sans-serif;
  z-index: 10;
  pointer-events: none;
  transition: opacity 0.5s;
}
.bottom-text.hide {
  opacity: 0;
}