#dobra9 {
    position: relative;
    z-index: 1;
    height: 100vh;
    width: 100vw;
}

#dobra9 .content {
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#dobra9 .content .text {
    font-size: 1.2rem;
}

#dobra9 .knowServTech {
    width: 200px;
    background: #fff;
    color: #000;
    font-weight: 600;
    margin-top: 30px;
    font-size: 1.0rem;
    position: relative;
    z-index: 2;
}

@media (max-width: 428px){

    #dobra9 {
        width: 100vw !important;
        height: 100vh !important;
    }

    #dobra9 .content {
        width: 100%;
        top: 0%;
        left: 0%;

        font-size: 0.9rem;

        display: flex;
        align-items: center;
    }

    #dobra9 .knowServTech {
        width: 150px;
        font-size: 0.9rem;
        margin-top: 50px;
    }
}