main {
    width: var(--maxcenter);
    display: flex;
    margin: 20px auto;
    background-color: #fff;
    padding: 2%;
    justify-content: space-between;
}

.man-lef {
    width: 60%;
    float: left;
}

.man-lef h2 {
    font-family: "";
    font-size: 40px;
    margin-bottom: 10px;
}

.man-lef img {
    width: 100%;
    object-fit: cover;
    margin: 10px 0;
}

.man-lef p {
    margin: 15px 0;
    font-family: "";
    font-size: 20px;
}

@media screen and (min-width:770px) {
    .two-rig {
        position: sticky;
        top: 20px;
        margin-bottom: auto;
    }
}

@media screen and (max-width:769px) {
    main {
        flex-direction: column;
    }

    .man-box {
        display: flex;
        flex-direction: column;
    }

    .man-lef {
        width: 100%;
    }

    .man-lef h2 {
        font-size: 26px;
    }

    .man-lef p {
        font-size: 18px;
    }
}