.square-holder {
    padding:30px;
    box-shadow: 0px 0 35px 0 rgba(0, 0, 0, 0.08);
    /* border: 1px solid #cecece;  */
    align-items: center;
    display:flex;
    align-items: center;
    justify-content: center;
    margin-bottom:20px;
    background-color:transparent; 
    min-height:200px;
   
  }
  
  .square-holder img {
    object-fit: fill;
     max-width:100%; 
     /* filter: grayscale(100%);   */
     transition: all 0.3s;
  }
  
  .square-holder:hover img{
    filter:none;
  }