body {
  font-family: sans-serif;
  font-size: 1em;
}
img {
  width: 100vw;
  height: auto;
  margin-bottom: 3rem;
}

.center-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 100vh;
}
.hidden {
  display: none;
}