.count_btn_style {
  display: flex;
  align-items: center;

  @mixin box_style {
    width: 25px;
    height: 25px;
    margin: 0 auto;
    text-align: center;
    line-height: 25px;
    border-top: 1px solid rgb(135, 133, 133);
    border-bottom: 1px solid rgb(135, 133, 133);
  }

  .btn_left {
    @include box_style;
    border-bottom-left-radius: 5px;
    border-top-left-radius: 5px;
    border-left: 1px solid rgb(135, 133, 133);
  }

  .btn_middle {
    @include box_style;
    border-left: 1px solid rgb(135, 133, 133);
    border-right: 1px solid rgb(135, 133, 133);
  }

  .btn_right {
    @include box_style;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    border-right: 1px solid rgb(135, 133, 133);
  }
}