GOOGLE CHROME  . - https://chrome.google.com/webstore/detail/vk-styles-themes-for-vkco/ceibjdigmfbbgcpkkdpmjokkokklodmc?hl=ru
OPERA - https://addons.opera.com/ru/extensions/details/get-styles/
FIREFOX - https://addons.mozilla.org/ru/firefox/addon/vk-styles/