vivaldi (web browser). A Browser for Our Friends. An advanced browser made with the power user in mind. Finally you can surf your way. Passing to the script the variable CUSTOM_CSS: CUSTOM_CSS=yes ./vivaldi.SlackBuild makes it possible to customize the user interface using the /opt/vivaldi/resources/vivaldi/style/custom.css file. By default, CUSTOM_CSS=no. pepperflash-plugin, ffmpeg, vivaldi-codecs-ffmpeg-extra are optional recommended dependencies. Vivaldi for ARM can be downloaded at https://vivaldi.com/download/