@adrian-mi9tpro Hi, You posted on Spanish SubForum. Post on Android International to be readed and considerated. -- About your question, don't know about any option related. Also, The new dark background has been added after long time and even Kiwi's dark mode is better than Opera's. -- "Off topic Tip" Follow the Signature's BackUp | Reset link. Take the opportunity to start a Backup plan, even create a Template Profile. SyncBack | Synkron helps. Windows 7 (x64) Opera Test profile | Opera Back up | Reset