*,
*:after,
*:before {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  background-color: #011627;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.viewport {
  width: 375px;
  height: 100%;
  max-height: 812px;
  border-radius: 0.5rem;
}

@media (max-width: 768px) {
  .viewport {
    width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }
}