Mozilla Firefox Part397

[53 警備員[Lv.5][新芽] (ﾜｯﾁｮｲ c915-dZyp) 2024/08/10(土) 20:31:04.97 ID:B/wMDXSp0]

>>50
browser.tabs.hoverPreview.enabled　true
browser.tabs.hoverPreview.showThumbnails　false

https://searchfox.org/mozilla-central/source/browser/themes/shared/tabbrowser/tab-hover-preview.css