.gridzy img:hover {
    filter:brightness(1.1);
}

.gridzy img:active{
    filter:brightness(0.8);
}



.gallery{
    position: relative;
}
.gridzyItem .checked{
    position: absolute;
    bottom: 0;
    right:0;
    margin:5px;
    height:20px;
    width:20px;
    object-fit: contain;
    opacity: 1;
    transition: 0.2s opacity ease;
}
.gridzyItem .invisible{
    opacity: 0;
}

.gridzyItem img.main{
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
    object-fit: contain;
    height:100%;
    width:100%;
}