.block10-3-gallery {
    max-width: 100%;
    margin-top: 40px;
}

.block10-3-item-card {
    outline: none;    
}
.block10-3-gallery a img{
    outline: none;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
}
.block10-3-gallery a{
    outline: none;
    display: block;
    height: 321px;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
}
.block10-3 .dark-hover {
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3));
    transition: 0.3s;
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    opacity: 0;
}
.block10-3 .dark-hover:hover {    
    opacity: 1;
    transition: 0.3s;
}
@media (min-width: 990px) {
    .block10-3-item-card {
        max-width: 480px;
    }
}
@media (max-width: 989px) {
    .block10-3-gallery {
        padding-left: 20px;
        padding-right: 20px;
    }
}
@media (max-width: 767px) {
    .block10-3-gallery a{
        height: 321px;
        width: 100%;
    }
    .block10-3-gallery a img{
        width: 100%;
        min-width: unset;
    }
}