15楼#
发布于:2020-03-07 23:51
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16楼#
发布于:2020-03-12 14:48
用userChrome.css!
/**************************** Firefox Tabs Counter ****************************/ #main-window { counter-reset: tabs; } .tabbrowser-tab:not(:-moz-any([concealed])) { counter-increment: tabs; } #alltabs-button { visibility: visible !important; } #alltabs-button:after { content: counter(tabs); display: -moz-box; } #alltabs-button > :-moz-any(label, image) { display: none; } |
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