.imgdiv{
    margin-top: 130px;
    display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 15px;
}
.imgdiv img{
    width: 100%;
    height: 500px;
    object-fit: cover;
}
.imgdiv img:hover{
    transform: scale(1.1);
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.6);
    transition: 0.3s;
}

    #popup {
      z-index: 150;
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(255, 255, 255, 0.9);
      text-align: center;
    }
    #popup:before {
      content: '';
      display: inline-block;
      height: 100%;
      vertical-align: middle;
    }
    #popup img {
      display: inline-block;
      margin: auto;
      max-width: 90%;
      max-height: 90%;
      vertical-align: middle;
      box-shadow: 0 0 50px rgba(0, 0, 0, 0.3);
      
    }
    #popup-close {
      z-index: 200;
      position: fixed;
      top: 10px;
      right: 10px;
      font-size: 30px;
      color: #000000;
      cursor: pointer;
    }

    #popup-close:hover{

      font-size: 33px;
      transition: 0.2s;
      opacity: 0.6;
    }

    @media (max-width: 900px){
      .imgdiv{
        margin-top: 130px;
        display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 15px;
    }
    .imgdiv img{
      width: 100%;
      height: 400px;
      object-fit: cover;
  }

      .imgdiv img:hover{
        transform: scale(1.04);
        box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.6);
        transition: 0.3s;
    }
  }

    @media (max-width: 600px){
      .imgdiv{
        margin-top: 130px;
        display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 15px;
    }
    .imgdiv img{
      width: 100%;
      height: 180px;
      object-fit: cover;
  }

      .imgdiv img:hover{
        transform: scale(1.04);
        box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.6);
        transition: 0.3s;
    }




    }