body.main-bg {
  background: url(./assets/background.jpg) no-repeat center center fixed;
  background-size: cover;
}

.main-box {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 0.5rem;
  max-width: 480px;
  margin: auto;
}

.maincontainer {
  height: 100vh;
  width: 100vw;
  align-content: center;
  display: table-cell;
  margin-bottom: auto;
  margin-top: auto;
  vertical-align: middle;
}