This snippet works in reading mode with all themes. Essentially, it makes the # symbol appear as a blank space (using a font that does not render #s), then manipulates padding to make it seem as if it isn’t there.
The # symbol is visible again on hover.
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/* === import the Formular font, which doesn't render hashtags (#) */
/* this @font-face was generated using transfonter.org, where I specified it to include only U+0023, the hashtag (#) sign. I did this because Formular cannot render hashtags. */
@font-face {
font-family: 'Formular';
src: url('data:font/woff;charset=utf-8;base64,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') format('woff');
font-weight: normal;
font-style: normal;
font-display: swap;
}
/*-------------------------*/
/* ===== tags ======== */
body {
--tag-radius: 7px;
}
/* hide tag hashtags (#) */
a.tag {
font-family: 'Formular', var(--font-text); /* Formular does not render hashtags */
/* First, the tags will use Formular. The only character in Formular's unicode range is the # symbol,
so after it renders the symbol, it falls back to the normal font of the theme */
}
/* To make it clear that the tags are still tags, the # symbols appear again on hover. */
a.tag:hover {
font-family: var(--font-text); /* the font only uses the normal theme font, so the #s render again. */
}
/* change the padding to hide the space that would be occupied by the # symbol */
a.tag:not(.basename-tag) { /* we don't want this to affect tags when the Basetag Renderer plugin is active, though */
padding: 5px 0.55em 5px 0;
text-align: center;
text-decoration: none !important;
transition: 0.2s; /* this makes the # appear more smoothly on hover */
}
a.tag:not(.basename-tag):hover { /* change the padding a bit on hover when the # appears again. */
padding: 5px 7px 5px 7px !important;
}
/* prevent overlapping tags on separate lines */
p:has(a.tag) {
line-height: 1.7;
}
}