body {
  background-color: $bg;
  background-image: url('../img/bg/bg-2.png');
  transition: background-color 0.5s ease-in-out;
  background-position: 3px 5px;
  background-repeat-x: no-repeat;
  background-repeat-y: repeat;
  background-size: cover;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  background-size: 100%;

  @include touch {
    background-attachment: scroll;
  }

  @include darkMode {
    background-color: $black;
    &::after {
      content: '';
      background-image: url('../img/bg/bg-el-light.png');
      opacity: 1;
      background-position: 0 0;
      background-repeat-x: no-repeat;
      background-repeat-y: repeat;
      background-size: 100%;
      background-attachment: fixed;
      height: 100vh;
      width: 100vw;
      position: fixed;
      pointer-events: none;
    }
  }
}

.page-content {
  max-width: 920px;
  margin: 0 auto;
}

html,
body {
  height: 100%;
}

.content {
  flex: 1 0 auto;
  max-width: $size-512 + $size-128;
}

footer.page-footer {
  flex-shrink: 0;
}

.textbox {
  @include textbox;
}