.call-to-action {
    margin: 0;
    padding: 80px 0;
    position: relative;
    z-index: 1;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    min-height: 400px;
    display: flex;
    align-items: center;
}

.call-to-action:before {
    content: "";
    display: block;
    background: var(--black);
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.45;
}

.call-to-action .content-box {
    text-align: center;
}

.call-to-action .content-box h2 {
    color: var(--white);
}