#portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    grid-gap: 20px;
    padding: 10px;
    background-color: #fff;
    border: 1px solid #333;
}

#portfolio .box {
    flex: 1;
    margin: 0;
    min-width: 250px;
    min-height: 180px;
}

#portfolio a {
    text-decoration: none;
    color: #08c;
}

#portfolio a:hover {
    text-decoration: underline;
}

#portfolio img {
    width: 100%;
    height: auto;
    
}

#portfolio h2 {
    margin: 0;
    padding: 10px;
    background: #08c;
    color: #fff;
}

#portfolio .proglang {
        font-size: .812em;
        color: #08c;
}