I think Stylish is the most popular one: Firefox: https://addons.mozilla.org/de/firefox/addon/stylish/ https://addons.mozilla.org/de/firefox/addon/stylish/ C

I think Stylish is the most popular one: Firefox: https://addons.mozilla.org/de/firefox/addon/stylish/ https://addons.mozilla.org/de/firefox/addon/stylish/ Chrome: https://chrome.google.com/webstore/detail/stylish/fjnbnpbmkenffdnngjfgmeleoegfcffe https://chrome.google.com/webstore/detail/stylish/fjnbnpbmke...