index.css

.container-width {
    width: 90%;
    max-width: 1150px;
    margin: 0 auto;
}


.cards {
    padding: 20px 0;
    display: flex;
    justify-content: space-around;
    flex-flow: wrap;
}

.card {
    background-color: #2f3136;
    height: auto + 100px;
    width: 300px;
    margin-bottom: 30px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    border-radius: 2px;
    transition: all 0.5s ease;
    font-weight: 100;
    overflow: hidden;
}

.card:hover {
    margin-top: -5px;
    box-shadow: 0 20px 30px 0 rgba(0, 0, 0, 0.2);
}

.card-header {

    background-size: cover;
    background-position: center center;
}


.card-body {
    padding: 25px 25px 25px 25px;
    color: white;
}

.card-title {
    font-size: 1.4em;
    margin-bottom: 5px;
}

.card-desc {
    font-size: 0.85rem;
    line-height: 17px;
}