.middlethreecols {
    width: 100%;
    text-align: center;
    background-image: url(../images/uss.jpg);
    padding: 50px 0 50px 0px;
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
    z-index: 9999;
}
.card {
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}
.card img {
    max-width: 100%;
    margin-bottom: 10px;
}
.btn-read {
    background-color: #4c49b7;
    color: white;
    border-radius: 5px;
}