.parallax-container {
    height: 350px;
}

.pin-top {
    position: relative;
}

.pin-bottom {
    position: relative;
}

.pinned {
    position: fixed !important;
}

body {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
  }

  main {
    flex: 1 0 auto;
  }