-
open your vivaldi browser.html file:
%LOCALAPPDATA%\Vivaldi\Application\1.0.435.42\resources\vivaldi
(replace 1.0.435.42 with your version) -
add the following code under
<link rel="stylesheet" href="style/common.css" />
<style>
.vivaldi { display: none !important; }
#tabs-container.top { padding-top: 0px !important; padding-left: 0px !important; }
.tab-group-indicator { top: -3px !important; }