._nc
{
    clear:both;
    margin: 5px 0;
}

.dark-concrete {
    background-color: var(--dark-gray);
    background-image: url("images/concrete-bg.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--light-grey-bg);
    padding: 4rem 0;
}
.dark-concrete h2 {
    text-align: center;
    font-weight: 700;
    font-size: 2rem;
    padding-left: 2rem;
    padding-right: 2rem;
    line-height: 1.2;
}
.dark-concrete h2,
.dark-concrete p {
    color: var(--light-grey-bg);
}