.listdoc{
    list-style-type: none;
}

.listdoc li{
    width: 32%;
    display: inline-block;
    background-color: #d6d6d6;
    border-radius: 20px;
    margin-bottom: .4rem;
}

.listdoc li img, .listdoc li a, .listdoc li span{
    width: 100%;
    text-decoration: none;
    color: black;
    display: block;
}

.listdoc li img{
    background-color: #7c7c7c;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    background: url('/img/Bg.jpg') center no-repeat fixed;
    background-size: cover;
}

.listdoc > li > a > span{
    background-color: #d6d6d6;
    width: auto;
    margin: 0;
    border: none;
}

.listdoc > li > a > span:nth-child(2){
    padding: 20px 10px 5px 10px;
    font-size: 18px;
    font-weight: bold;
}
.listdoc > li > a > span:nth-child(3){
    padding: 10px 10px 20px 10px;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}

.row h2{
    text-align: center;
}

@media screen and (max-width: 425px) {
    .listdoc li{
        width: 90%;
margin-bottom: 20px;
    }
}