.BaseChat { &[data-chat-visible='false'] { --workbench-inner-width: 100%; --workbench-left: 0; .Chat { --at-apply: bolt-ease-cubic-bezier; transition-property: transform, opacity; transition-duration: 0.3s; will-change: transform, opacity; transform: translateX(-50%); opacity: 0; } } } .Chat { opacity: 1; }