.hero{
    text-align: center;
    padding: 3rem 1rem 0 1rem;
}
.hero h1{
    font-weight: bold;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}
.hero h2{
    font-weight: normal;
    font-size:1.5rem;
    margin-bottom:3rem;
}
.hero-avatar{
    display: block;
    width: 12rem;
    height:auto;
    margin:auto;
    margin-bottom: 5rem;
}
.hero-device{
    display: block;
    max-width: min(100%, 80rem);
    height:auto;
    margin:auto;
    margin-bottom: -11.5rem;
}
@media(width >600px){
    .hero h1{
        font-size:4rem;
    }
    .hero h2{
        font-size:2rem;
    }
    .hero-avatar{
        width:20rem;
        
    }
}