.grid-item {
    width: 33.3333333%;
    margin-bottom: -0.6%;
  }

  .grid-item img {
    width: 100%;
  }
    
  @media (max-width: 1500px) {
    .grid-item {
      width: 49.999999%;
    }
  }
  
  @media only screen and (max-width: 950px) {
    .grid-item {
      width: 100%;
    }
  }

  @media only screen and (max-device-width: 1080px) {
    .grid-item {
      width: 100%;
    }
  }