.materials_section {
    text-align: center;
    background-color: #f8f3ee;
}

.materials_section .heading_container {
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
}

.materials_section .materials_container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    padding: 35px 0;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.materials_section .materials_container {
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
}

.materials_section .materials_container .detail-box {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    height: 100%;
}

.materials_section .materials_container .box {
    margin: 25px 1%;
    -ms-flex-preferred-size: 31%;
    flex-basis: 31%;
    padding: 25px 25px 25px;
    border-radius: 15px;
    -webkit-box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.15);
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.15);
    border-top: 15px solid transparent;
    -webkit-transition: all .1s;
    transition: all .1s;
}
.materials_section .materials_container .box .img-box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    height: 125px;
}

.materials_section .materials_container .box .img-box img {
    width: 90px;
}

.materials_section .materials_container .box .detail-box h3 {
    color: #2e0e5f;
    font-weight: 600;
    position: relative;
}

.materials_section .materials_container .box, .materials_section .materials_container .box.active {
    border-top: 15px solid #ff851b;
}

.materials_section .btn-box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    margin-top: 25px;
}

.materials_section .btn-box a {
    display: inline-block;
    padding: 10px 35px;
    background-color: #ff851b;
    color: #ffffff;
    border-radius: 35px;
}

.materials_section .btn-box a:hover {
    background-color: #ff851b;
}

@media (max-width: 768px) {
    .materials_section .materials_container {
        flex-direction: column;
    }
}

@media (max-width: 992px) {

    .materials_section .materials_container {
        flex-direction: column;
    }
}