Lien GitHub

alias hooks="cd /opt/vivaldi-snapshot/resources/vivaldi && sudo sed -i '/src=\"bundle.js\"/i \ \ \ \ <script src=\"jdhooks.js\"></script>' browser.html && cd /home/REPERTOIRE_UTILISATEUR/"

Lien forum Vivaldi. Le script original provoque un petit problème d'affichage chez moi. Feuille de style modifiée ci-dessous.
Dans les paramètres, il faut sélectionner Afficher la barre d'état.

/* Automate status bar into clock button */
.toolbar-statusbar {position:fixed; bottom:0; right:0; height:24px; width:auto; border-radius: var(--radius) 0 0 0; border:none; box-shadow: 0 0 0 1px var(--colorBorder), 0 2px 6px rgba(0, 0, 0, 0.25);}
.toolbar-statusbar > div:not(.ClockButton) {max-width: 2000px; transition: max-width .25s ease-out 0s, visibility .2s 0s !important;}
.toolbar-statusbar:not(:focus-within):not(:hover) > div:not(.ClockButton) {visibility:hidden; max-width:0; transition: max-width .25s ease-out .4s, visibility .5s !important;}
.toolbar-statusbar .button-toolbar {align-self: auto;}
#browser:not(.fullscreen) .StatusInfo {position:fixed; left:2px; bottom:2px; height: 20px; padding: 2.5px 3px 0; background: var(--colorBgDark); border-radius: var(--radiusHalf); pointer-events: none;  max-width: calc(100vw - 60px);}

Lien forum Vivaldi

#panels {overflow:visible;}
:not(.resizing)#panels-container.overlay .panel-group {transition: width .1s linear !important;}
#panels-container.overlay {width:0 !important;}
#panels-container.right.overlay > .SlideBar--FullHeight.alternate, #panels-container.right.icons:not(.overlay) {margin-left:-34px;}
#panels-container.left.overlay > .SlideBar--FullHeight.alternate, #panels-container.left.icons:not(.overlay) {margin-right: -34px;}
#panels-container #switch {z-index:1; max-width: 34px; height: 100%; visibility:visible !important; top:0;}
#panels-container.icons:not(:hover) #switch, #panels-container.switcher:not(:hover) #switch {opacity:0; max-width:8px; height:50px; top: calc(50% - 25px); transition: .1s .9s, opacity 0s 1s !important;}