Blindfold

Blindfold is an electron app and it create two css file one .css and the other one .min.css and it also use Autoprefixer so you can forgot about vendor prefixes so here is an example

Before Blindfold

.example {
    display: grid;
    transition: all .5s;
    user-select: none;
    background: linear-gradient(to bottom, white, black);
}

After Blindfold

.example {
    display: -ms-grid;
    display: grid;
    -webkit-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    background: -webkit-gradient(linear, left top, left bottom, from(white), to(black));
    background: -webkit-linear-gradient(top, white, black);
    background: -o-linear-gradient(top, white, black);
    background: linear-gradient(to bottom, white, black);
}