Substack: dark sepia mode
A warm dark sepia theme that reduces eye strain during evening reading sessions.
Code to copy
/* Dark sepia reading mode (warm, low-glare) */
html, body {
background-color: #2a241c !important;
}
.body.markup,
.available-content,
[class*="postBody"],
.post-header,
article {
background-color: #2a241c !important;
color: #e8d9bd !important;
}
.body.markup a,
.available-content a {
color: #f6b56b !important;
}
.body.markup blockquote {
background: rgba(246, 181, 107, 0.08) !important;
border-left-color: #f6b56b !important;
color: #e8d9bd !important;
}How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's CSS panel and save — the effect appears instantly.
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