.archive-content{
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.archive-content article{
  box-sizing: border-box;
  margin-bottom: 15px;
  padding: 0 20px;
}

.archive-content .post-size-Small{
  width: 33.333333333333%;
}

.archive-content .post-size-Medium{
    width: 66.66666666666666%;
}

.archive-content .post-size-Large{
  width: 100%;
}

@media screen and (max-width: 1200px){

  .archive-content .post-size-Small{
    width: 50%;
  }

  .archive-content .post-size-Medium{
      width: 50%;
  }

  .archive-content .post-size-Large{
    width: 50%;
  }

}

@media screen and (max-width: 1000px){

  .archive-content .post-size-Small{
    width: 100%;
  }

  .archive-content .post-size-Medium{
      width: 100%;
  }

  .archive-content .post-size-Large{
    width: 100%;
  }

}