.sec1 {
    max-width: 1800px;
    margin: auto;
    height: 400px;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.489), rgba(0, 0, 0, 0.247)), url(../images/project\ img\ 8.jpg);
    background-position: center;
    background-size: 100% 200%;
    text-align: center;
    padding-top: 250px;
    color: white;
    font-size: 40px;
    /* margin-top: -110px; */
}

.sec1 h1 {
    font-size: 55px;
    color: rgb(255, 255, 255);
    font-weight: 600;
    position: relative;
    z-index: 0;
}


.about-color-box {
    max-width: 1800px;
    margin: auto;
    height: 300px;
    /* background-color: rgb(53, 43, 195); */
}

.sec5 {
    margin-top: -50px;
    z-index: 100;
}


@media screen and (max-width: 900px) {

    .sec1 {
        background-size: 100% 120%;
        height: 200px;
        padding-top: 100px;
    }

    .sec1 h1 {
        font-size: 30px;
        margin-top: 30px;
    }

}