You have written a solid piece. The content is sharp, the structure is clean, and you hit publish. Then someone opens your page and sees the default styling, a generic font, no brand colours, and the same layout as every other published Markdown page. The content is good. The page does not feel like yours.
This is the gap most Markdown publishing tools leave wide open. They give you a publish button but not a brand. You get a live URL and a layout that screams "default template" to anyone who has used the internet for more than a week.
AnySlate's custom CSS feature closes that gap. You write your Markdown, publish it, and then drop in a stylesheet that makes the page look exactly the way you want: your fonts, your colours, your spacing, your identity. No external tools, no separate website builder, no paying for a custom domain just to get basic styling control. This guide walks you through exactly how to use it.
Why Default Styling is Costing You More Than You Think
Here is a scenario. You are a freelance consultant. You publish a case study on your AnySlate page to share with a potential client. The content is excellent, three months of work condensed into a tight, well-argued document. But the page looks identical to every other plain Markdown page on the internet. No logo. No brand colour. No typographic personality.
The client reads it. The work is impressive. But the presentation quietly signals that the delivery is not polished. That gap, between the quality of the thinking and the presentation of that thinking, costs credibility in a way that is hard to measure but easy to feel.
Custom CSS is how you close it. One stylesheet, applied to your published pages, turns a default template into a branded reading experience.
Your published page is a product. The content is the value, but the presentation is the first thing a reader experiences. A page that looks like yours, and only yours, signals that the thinking behind it is also distinctly yours.
The Properties That Do 90% of the Work
You do not need to know advanced CSS to make your pages look branded and professional. Six properties cover almost every meaningful visual decision on a published Markdown page:
CSS property
What it controls
Why it matters for branding
font-family
The typeface of all body text
Nothing signals brand personality faster than a distinctive typeface
color
Text colour across the whole page
Brand colours applied to headings and accents create immediate recognition
background-color
Page background
Off-white or tinted backgrounds feel more considered than pure white
max-width
The maximum width of the content column
Wider or narrower line lengths define the reading feel of the page
line-height
Spacing between lines of text
Generous line-height makes dense content feel readable and calm
border-left
Left border accent on blockquotes and callouts
A brand-coloured border on pull quotes is an instant visual signature
Start with these six. Once the page feels like yours with just these properties, then layer in heading styles, link colours, code block treatments, and anything else you need. The order matters — nail the fundamentals before adding detail.
A Real Starting Stylesheet You Can Use Today
Here is a clean, minimal stylesheet that transforms a default AnySlate published page into something that feels intentional and branded. Paste this into your AnySlate custom CSS field and adjust the values to match your own brand:
body {
font-family: 'Georgia', serif;
color: #1a1a1a;
background-color: #fafaf8;
max-width: 720px;
margin: 0 auto;
padding: 2rem 1.5rem;
line-height: 1.75;
}
h1, h2, h3 {
font-family: 'Arial', sans-serif;
color: #111111;
letter-spacing: -0.02em;
}
h1 { font-size: 2.2rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.5rem; margin-top: 2.5rem; }
a {
color: #E8514A;
text-decoration: none;
border-bottom: 1px solid #E8514A;
}
blockquote {
border-left: 4px solid #E8514A;
margin: 2rem 0;
padding: 0.5rem 0 0.5rem 1.5rem;
color: #444444;
font-style: italic;
}
code {
background: #f0f0ee;
padding: 0.2em 0.4em;
border-radius: 3px;
font-size: 0.9em;
}
A few things to notice here. The max-width of 720px keeps lines short enough to read comfortably — anything wider starts to feel like a newspaper, and readers' eyes tire faster. The line-height of 1.75 gives prose the breathing room it needs. And the coral-red #E8514A on links and blockquote borders is the AnySlate accent — swap this for your own brand colour and the whole page shifts to feel like you.
CSS is not decoration. It is the difference between a page that communicates and a page that just displays. The same content, presented in a well-considered stylesheet, reads as more credible, more considered, and more worth the reader's time.
Making It Actually Yours: Three Quick Swaps
Once the base stylesheet is in place, three targeted changes will make the page unmistakably yours rather than a tweaked default:
Swap the font. Change the font-family on the body and headings to a typeface that matches your brand. The page will feel completely different — in a good way — from that single change alone.
Replace the accent colour. Find every instance of #E8514A in the stylesheet and replace it with your brand colour. This changes your links, your blockquote borders, and any other accents in one sweep. Even a small brand colour change makes the page feel owned rather than borrowed.
Adjust the max-width to match your content type. Long-form essays read best at 680–720px. Technical documentation with code blocks can go wider at 800–860px. Short, punchy content works better at 600px. The width of the column defines the reading rhythm of the whole page.
The One Thing to Take Away
Publishing in Markdown should not mean accepting someone else's design decisions. The content is yours, the presentation should be too. AnySlate's custom CSS feature is where that happens: a single stylesheet that turns a default template into a branded reading experience, distinctly yours.
You do not need to be a designer. You do not need to know advanced CSS. The six properties in the table above and the starter stylesheet in this guide are enough to make any published Markdown page look considered, professional, and on-brand in under thirty minutes.
Start publishing at anyslate.io. Custom CSS is included in the Hobby plan at $30 a year and above, along with PDF export and version history. No account is needed to try the desktop app for free.