user.css for moz look-and-feel

gistfile1.txt

@import url(https://fonts.googleapis.com/css?family=Fira+Mono:400,700);
@import url(https://fonts.googleapis.com/css?family=Fira+Sans:400,300,300italic,400italic,500,500italic,700,700italic);

html, body, input[type=text] {
    font: 11pt 'Fira Sans' !important;
} 

pre {
    font: 11pt 'Fira Mono' !important;
}