style-portfolio.css

/* MEDIA OVERWRITE AND NEW SETTINGS */
@media screen and (max-width: 950px){
    .main-title{
        text-align: center;
    }

    .max-width{
        max-width: 450px;
    }
} 

@media screen and (max-width: 600px){
    .max-width{
        max-width: 100%;
        height: auto;
    }
}