- Copy
admin/dist/css/style_custom.cssinto/usr/share/yunohost/admin/dist/css/ - Add
<link rel="stylesheet" media="screen" href="dist/css/style_custom.css">to/usr/share/yunohost/admin/index.htmlbetween<head>and</head>
- Copy
ssowat/theme-dark_ynhinto/usr/share/ssowat/portal/assets/themes/ - Edit
/etc/ssowat/conf.json.persistent - Change
"theme": "default"to"theme": "theme-dark_ynh"
More informations: You can follow the instructions explained here: https://yunohost.org/#/theming