Mozilla Firefox Part320 [無断転載禁止]©2ch.net

[893 名無しさん＠お腹いっぱい。 (ﾜｯﾁｮｲ 573b-eOwD) 2017/06/27(火) 00:06:05.33 ID:OrcDfBba0]

>>889
> Unfortunately, due to security restrictions in the WebExtensions platform,
> styling of the browser UI and internal pages is prohibited

＼(^o^)／