.period-panties-catpage section.floor2 {
  margin-top: 30px;
  margin-bottom: 50px;
}
.period-panties-catpage section.floor3 {
  position: relative;
}
.period-panties-catpage section.floor3 .flexbox {
  display: flex;
  max-width: 1440px;
  width: 85%;
  margin: 0 auto;
}
.period-panties-catpage section.floor3 .flexbox .box {
  width: 50%;
}
.period-panties-catpage section.floor3 .flexbox .box:first-child {
  margin-right: 25px;
}



@media(max-width:991px) {
  .period-panties-catpage section.floor3 .flexbox {
    width: 100%;
    flex-direction: column;
  }
  .period-panties-catpage section.floor3 .flexbox .box {
    width: 100%;
  }
  .period-panties-catpage section.floor3 .flexbox .box:first-child {
    margin-right: 0;
    margin-bottom: 30px;
  }
}