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How to reduce default tab size

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Kociarnia
Kociarnia
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Hi, i would like to reduce the default tab size, how do i do that?

Hi, i would like to reduce the default tab size, how do i do that?
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Réiteach roghnaithe

That would involve overriding this rule via code in userChrome.css. Note that you need to add the !important flag. 

.tabbrowser-tab:not([pinned]) { max-width: 150px !important; }

See also: 

.tabbrowser-tab:not([pinned]) {
  flex: 100 100;
  max-width: 225px;
  min-width: var(--tab-min-width);
  transition: min-width 100ms ease-out,
              max-width 100ms ease-out;
}

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All Replies (2)

Terry
Terry
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Hi. Assuming you mean the width, enter about:config in the address bar and change the value in the following preference. browser.tabs.tabMinWidth The minimum you can set is 50.

https://support.mozilla.org/en-US/kb/about-config-editor-firefox

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Réiteach Roghnaithe

That would involve overriding this rule via code in userChrome.css. Note that you need to add the !important flag. 

.tabbrowser-tab:not([pinned]) { max-width: 150px !important; }

See also: 

.tabbrowser-tab:not([pinned]) {
  flex: 100 100;
  max-width: 225px;
  min-width: var(--tab-min-width);
  transition: min-width 100ms ease-out,
              max-width 100ms ease-out;
}