#sobre{
    padding-bottom: 40px;
}
.shadowSobre{
    box-shadow: 1px 1px 12px -2px rgba(0, 0, 0, 0.75);
}
.cardsSobre{
    background-color: black;
    text-align: center;
    padding: 20px;
}
.divSobre{
    justify-content: space-between;
}
@media screen and (max-width: 991px) {
    .cardsSobre{
        margin-top: 10px;
        margin-bottom: 10px;
        width: 310px;
    }
    .divSobre{
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
}
@media (min-width: 992px){
    .cardsSobre{
        width: 31%;
        margin: 10px;
        height: 400px
    }
}