body {
            font-family: Arial, Helvetica, sans-serif;
            margin: 0;
        }
        
        html {
            box-sizing: border-box;
        }
        
        .about-us {
            background-image: url(../img/op233.jpg);
            background-size: cover;
            text-align: center;
            color: white;
            height: 20vw;
            width: 100%;
            text-shadow: 1px 1px 2px black;
            font-size: 24px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            transition: 300ms;
        }
        
        .about-us p,
        h1 {
            display: block;
            margin: 0 auto;
        }
        
        h1 {
            width: 100%;
        }
        
        .why-us {
            text-shadow: 1px 1px 2px black;
            font-size: 24px;
            text-align: center;
            color: black;
            margin-top: 45px;
            margin-bottom: 80px;
            transition: 300ms;
        }
        
        @media (max-width: 1380px) {
            .about-us p {
                font-size: 21px;
            }
            .about-us h1 {
                font-size: 26px;
            }
        }
        
        @media (max-width: 1100px) {
            .about-us p {
                font-size: 20px;
            }
            .about-us h1 {
                font-size: 28px;
            }
        }
        
        @media (max-width: 880px) {
            .about-us p,
            h1 {
                font-size: 10px;
            }
            .why-us p,
            h2 {
                font-size: 19px;
            }
            .about-us {
                height: 21vw;
            }
        }
        
        @media (max-width: 500px) {
            .about-us {
                height: 32vw;
            }
        }
        
        @media (max-width: 1660px) {
            .why-us p {
                margin-bottom: 200px;
            }
            .why-us h2 {
                margin-top: 100px;
            }
        }