.mas-card-img {
    width: auto;
    height: 150px;
    background: transparent no-repeat center;
    background-size: cover;
}

.mas-img-cover {
    width: auto;
    height: auto;
    background: transparent no-repeat center;
    background-size: cover;
}

@media screen and (min-width: 1900px) {
    .mas-card-img {
        width: auto;
        height: 250px;
        background: transparent no-repeat center;
        background-size: cover;
    }
}