newbb/public/static/admin/css/themes/index.scss

.elem-style-normal {
    @import 'normal';
}

.elem-style-demo {
    @import 'demo';
}

.elem-style-sicfi {
    @import 'sicfi';
}

.elem-style-gtk {
    @import 'gtk';
}

.elem-style-nes {
    @import 'nes';

}

.elem-style-win7 {
    @import 'win7';
}
.elem-style-neomorphic {
    @import 'neomorphic';
}
.elem-style-dark {
    @import 'dark';
}

@font-face {
    font-family: "ark-pixel";
    src        : url('./nes/ark-pixel-font-12px/ark-pixel-12px-zh_cn.ttf') format('truetype'),
        url('./nes/ark-pixel-font-12px/ark-pixel-12px-zh_hk.ttf') format('truetype'),
        url('./nes/ark-pixel-font-12px/ark-pixel-12px-zh_tr.ttf') format('truetype'),
        url('./nes/ark-pixel-font-12px/ark-pixel-12px-zh_tw.ttf') format('truetype'),
        url('./nes/ark-pixel-font-12px/ark-pixel-12px-ja.ttf') format('truetype'),
        url('./nes/ark-pixel-font-12px/ark-pixel-12px-ko.ttf') format('truetype'),
        url('./nes/ark-pixel-font-12px/ark-pixel-12px-latin.ttf') format('truetype');
}