From Newsgroup: alt.comp.software.seamonk
On Wed, 29 Apr 2026 18:39:41 -0400, knuttle <
keith_nuttle@yahoo.com>
wrote:
Nobody <jock@soccer.com> posted a working CSS file that put the tabs on
the bottom. It works great.
There is one thing that would be nice. That would be if that open tabs
tool bar were narrower. What would I added to the Nobody
<jock@soccer.com> scrip to make the tabs tool bar narrower and keep it
on the bottom.
FIRST/IMPORTANT... back up your now pleasantly-working userChrome dot
css before tinkering.
Copy what I have between the starred lines below, and paste/insert
that ABOVE/AT THE START of the .css file you're happy with, i.e.
likely above:
/* Source file
https://github.com/MrOtherGuy *************************************
:root {
--tab-min-height_tnot: 36px;
--tab_below_navigation_toolbar_bottom_padding: calc( var(--tab-min-height_tnot) + 5px ); }
#TabsToolbar {
position: absolute;
display: block;
bottom: 0;
width: 100vw;
background-clip: padding-box;
color: none !important;
z-index: 2;
}
.tabbrowser-tab::after, .tabbrowser-tab::before {
border-left: none !important;
}
#navigator-toolbox {
position: relative;
padding-bottom: var(--tab_below_navigation_toolbar_bottom_padding);
}
#PlacesToolbarItems,
#sidebar-search-container #search-box,
.sidebar-placesTree {
font-size: 16px !important;
font-weight: bold !important;
}
label.tab-text {
font-size: 16px !important;
}
.tabbrowser-tab { text-shadow: none !important; } *******************************************
SAVE the file.
Now in the second line of that you'll see "36px"... you can experiment
by changing the value to whatever... try 20px.
SAVE the file... close then re-open Firefox and observe whatever. Your
tab bar should be noticeably lacking in height. Each time you alter
the value, SAVE the file/close-re-open Ffox.
Further down, there are two entries with "16px"; experiment with
those, especially the "label.tab-text", and prolly down to 10.
Each time you fiddle requires SAVE plus close/open of Ffox.
I have no idea what theme you might run... that may affect these
settings.
Where this extra hint came from is lost in the mists of time... but
the total package works for me.
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