.sec1 {
    max-width: 1800px;
    margin: auto;
    height: 450px;
    background: linear-gradient(to right, rgba(0, 94, 132, 0.592), rgba(6, 71, 99, 0.507)), url(../images/about\ us.jpg);
    background-position: center;
    background-size: cover;
    /* text-align: center; */
    padding-top: 300px;
    color: white;
    position: relative;
    /* margin-top: -80px; */
}

.sec1 img {
    width: 100%;
    left: 0;
    top: 0;
    position: absolute;
    height: 100%;
}

.sec1 h1 {
    width: 100%;
    font-size: 50px;
    z-index: 10;
    display: grid;
    position: relative;
}


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


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

    .sec1 {
        background-size: 100% 100%;
        height: 220px;
        padding-top: 145px;
        padding-left: 30px;
    }

    .sec1 h1 {
        font-size: 28px;
    }

}