movie-explorer/src/App.css

.flow-container {
  display: flex;
  flex-wrap: wrap;
  width: 80%;
  margin: auto;
}

.poster {
  font-size: 2rem;
  aspect-ratio: 3/4.5;
  width: 25rem;

}



.overlay {
  margin: 0;
  height: 100%;
  width: 100%;
  font-size: inherit;
  color: white;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;

  p {
    font-size: 0.8em;
  }

  h1 {
    font-size: 1.6em;
    margin: 0;

  }


}

.overlay:hover {
  opacity: 1;
}