.main--section-four {
    width: 100%;
    height: 300px;
    background-image: linear-gradient(rgba(2, 41, 60, 0.8),rgba(2, 41, 60, 0.8)), url(../Image/group_work_small.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: auto;
    text-align: center;
    padding: 30px;
    display: table;
}

.main--section-four  p {
    display: table-cell;
    margin: 0;
    vertical-align: middle;
    color: var(--white-color);
    font-size: 2rem;
}
@media (min-width: 600px) {
    .main--section-four {
        height: 550px;
        background-image: linear-gradient(rgba(2, 41, 60, 0.8),rgba(2, 41, 60, 0.8)), url(../Image/group_work_medium.png);
    }
}
@media (min-width: 800px){
    .main--section-four {
        height: 700px;
        background-image: linear-gradient(rgba(2, 41, 60, 0.8),rgba(2, 41, 60, 0.8)), url(../Image/group_work.png);
    }
    .main--section-four  p {
        font-size: 3rem;
    }
}

@media (min-width: 1280px){
    .main--section-four {
        height: 800px;
    }
    .main--section-four  p {
        font-size: 4rem;
    }
}