[enh] Better markup for security notifications page.
[enh] Better markup for security notifications page.

yunohost-bot/yunohost-admin,N4rius/yunohost-admin,N4rius/yunohost-admin,yunohost-bot/yunohost-admin,yunohost-bot/yunohost-admin,YunoHost/yunohost-admin,N4rius/yunohost-admin,YunoHost/yunohost-admin,N4rius/yunohost-admin