.grid-container {
    margin: 0 auto;
    width: 90%;
    display: grid;
    grid-template-columns: repeat(auto-fill, 90px);
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 1.5rem;
  }

  .grid-kolommen{
    display: grid;
    justify-content: center;  
    grid-template-columns: repeat(4, 15%);
    grid-template-rows: repeat(4, 25%);
    gap: 1rem;
}

.grid-kolommen--diensten{
  display: grid;
  justify-content: center;  
  grid-template-columns: repeat(3, 15%);
  grid-template-rows: repeat(auto, 25%);
  gap: 1rem;
}
  
  .grid-item {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    cursor: pointer;
    box-shadow: -3px 3px 2px black;
    border-radius: 0.5rem;
  }
  
  .grid-item img {
    width: 100%;
    transition: transform 0.2s ease-in-out;
    
  }
  
  .grid-item:hover img {
    transform: scale(1.1);
    
  }
  
  .lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
  }
  
  .close {
    color: #fff;
    font-size: 30px;
    position: absolute;
    top: 10px;
    right: 20px;
    cursor: pointer;
  }
  
  .lightbox-content {
    max-width: 80%;
    max-height: 80%;
    overflow: hidden;
  }
  
  #lightboxImg {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }

.next-btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px;
    border: none;
    cursor: pointer;
  }


  @media only screen and (max-width: 767px){
    .grid-kolommen--diensten,
    .grid-kolommen{
        display: grid;
        grid-template-columns: 0.5fr;
        grid-template-rows: auto;
        gap: 1rem;
    }

  }

  @media only screen and (min-width: 768px) and (max-width: 991px){
    .grid-kolommen--diensten,
    .grid-kolommen{
        display: grid;
        grid-template-columns: repeat(2, 0.5fr);
        grid-template-rows: auto;
        gap: 1rem;
    }

  }