.section-categories {
    margin: 0;
    padding: 45px 0;
}

.categories-grid {
    margin-bottom: -15px;
}

.categories-grid .category-item {
    margin-bottom: 15px;
}


.card-category {
    display: block;
    position: relative;
    width: 100%;
    color: #fff;
    text-decoration: none;
    text-align: center;
}

.card-category .card-category-thumbnail {
    position: relative;
    margin: 0;
    padding: 0 0 62%;
}

.card-category .card-category-thumbnail::after {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 60%;
    background: -moz-linear-gradient(top,  rgba(0,0,0,0) 0%, rgba(0,0,0,0.25) 100%);
    background: -webkit-linear-gradient(top,  rgba(0,0,0,0) 0%,rgba(0,0,0,0.25) 100%);
    background: linear-gradient(to bottom,  rgba(0,0,0,0) 0%,rgba(0,0,0,0.25) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00000000', endColorstr='#40000000',GradientType=0 );
    transition: opacity 300ms ease;
    content: '';
}

.card-category .card-category-thumbnail .card-category-media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
    -o-object-position: center;
    object-position: center;
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
    transition: filter 300ms ease;
}


.card-category .card-category-title {
    position: absolute;
    z-index: 1;
    left: 25px;
    right: 25px;
    bottom: 10px;
    margin: 0;
    padding: 0;
    font-size: 18px;
    font-weight: 300;
    line-height: normal;
}


.card-category:hover {
    color: #fff;
}

.card-category:hover .card-category-thumbnail::after {
    opacity: 0;
}

.card-category:hover .card-category-thumbnail .card-category-media {
    -webkit-filter: grayscale(0%);
    filter: grayscale(0%);
}


.card-category-sm .card-category-thumbnail {
    padding-bottom: 69.5%;
}

.card-category-sm .card-category-title {
    font-size: 18px;
    line-height: 18px;
    letter-spacing: normal;
}


.card-category-wide .card-category-thumbnail {
    padding-bottom: 34%;
}


@media (min-width: 768px) {
    .section-categories {
        margin: 0;
        padding: 60px 0;
    }

    .categories-grid {
        margin-bottom: -20px;
    }

    .categories-grid .category-item {
        margin-bottom: 20px;
    }



    .card-category .card-category-thumbnail {
        padding: 0 0 66%;
    }

    .card-category .card-category-title {
        font-size: 25px;
        line-height: normal;
        bottom: 15px;
    }


    .card-category-sm .card-category-title {
        font-size: 20px;
    }
}

@media (min-width: 1200px) {
    .section-categories {
        margin: 0;
        padding: 70px 0;
    }


    .categories-grid {
        margin-bottom: -30px;
    }

    .categories-grid .category-item {
        margin-bottom: 30px;
    }


    
    .card-category .card-category-title {
        font-size: 40px;
        bottom: 25px;
    }


    .card-category-sm .card-category-thumbnail,
    .card-category-wide .card-category-thumbnail {
        padding-bottom: 71%;
    }

    .card-category-sm .card-category-title {
        font-size: 35px;
        line-height: 40px;
        letter-spacing: normal;
    }
}