.nut-backtop {
  display: none;
  position: fixed;

  &.show {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: $color-background-overlay;
    color: $color-title;
    border: 1px solid $backtop-border-color;
    border-radius: 50%;

    &:active {
      background: $color-background;
    }
  }

  &-main {
    transition: all 0.2s ease-in-out;
    color: $color-title;
  }
}