Collapsible Sidebars
v.0.7.3 Compatible
.workspace-ribbon.is-collapsed:not(:hover) .workspace-ribbon-collapse-btn,
.workspace-ribbon.is-collapsed:not(:hover) .side-dock-actions,
.workspace-ribbon.is-collapsed:not(:hover) .side-dock-settings {display:none;}
.workspace-ribbon.is-collapsed:not(:hover) {width: 0;}
.workspace-split.mod-left-split[style="width: 0px;"] {margin-left: 0;}
.workspace-split.mod-right-split[style="width: 0px;"] {margin-right: 0;}
.workspace-ribbon {transition: none}
Thanks to @mrjackphil and @MooddooM.