.hero-image-as {
    background-image: url('../assets/images/about-us/about-us.png');
    min-height: 200px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

/* css media queries ----- ----- */
@media only screen and (min-width: 400px) {
    .hero-image-as {
        min-height: 250px;
    }
}

@media only screen and (min-width: 768px) {
    .hero-image-as {
        min-height: 500px;
    }
}