.portfolio{
    max-width: 1300px;
    width: 90%;
    margin: 0 auto;
}

h1{
    padding: 0 0 20px 0; 
    font-size: 36px;
}

@media (max-width:550px) {
    .portfolio2{
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        scale: 98%;
    }
    .porfoliocontainer-center{
        padding: 0;
    }
}