.a-h2{
    font-size: var(--h2-size);
    color: var(--site-color);
    margin-bottom: 20px;
}
.about-us .overlay{
    background-image: url(../images/about/about-1.jpg);
    
} 
.about-us .overlay::before{
    background-color: rgba(0,0,0,0.5);
}

@media screen and (max-width: 768px){
    .list-items .wrp .grid-sec{
        margin-left: 10px;
    }
    .grid-4-r .grid-sec{
        width: 92%;
    }
    .grid-2-r .grid-sec{
        width: 95%;
    }
}