.study-materials-sec {
    margin-top: 5rem;
}

.materials, .daily-materials  {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 0 31px 30px 30px;
    height: 100%;
    justify-content: space-between;
    background: white;
    padding: 1rem;
    border-radius: 0rem;
}

.material {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 15rem;
    height: 5rem;
    object-fit: cover;
    border-radius: 3rem;
    border: 1px solid #b5b7b8;
    background: #fff;
    padding: 2px;
    text-align: center;
    position: relative;
    margin: auto;
}

.material img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    padding: 2px;
    top: 0;
    left: 0;
    position: absolute;
    margin: 0;
    opacity: 0.3;
}

.material-detail {
    position: relative;
}

.m-line {
    display: block;
    height: 1px;
    background: #e7e7e7;
}