Please try this code:
.products-loop .product-category {
width: 33.33% !important;
display: inline-block;
min-height: 180px;
margin-bottom: 0 !important;
}
.products-loop .categories-mask h4 {
font-size: 16px;
}
.products-loop .categories-mask span, .categories-mask span.more {
font-size: 10px;
}
.products-loop .categories-mask {
padding: 10px;
}
Regards