Unicode via CSS :before

css

unicode

font-awesome

css-properties

byAnton Shumikhin·Jan 22, 2025

You can display a Unicode character in HTML through CSS by assigning the Unicode code point to the CSS content property. Here’s a template and an instance that presents a heart symbol:

.element:before {
  content: "\2665";
}

Switch "\2665" with your preferred Unicode value (in hexadecimal), and voila: the symbol appears before .element.

Escaping with style (and a )

When inserting Unicode characters with CSS, always escape the Unicode code point. Add a backslash (\) followed by the character's hexadecimal representation. It's CSS's secret handshake to handle these as characters and not as string text.

.icon:before {
  content: "\f007"; /* Our secret handshake */
}

In this case, \f007 equates to a user icon in Font Awesome 4. Now you're talking in codes!

Icon speak: Font Awesome specifics

To couple Font Awesome icons with Unicode, guarantee you're calling on the right family - font family that is, and Unicode code. Here's the breakdown for different versions:

FontAwesome 4 or less, keep it simple and classic:

.fa:before {
  font-family: 'FontAwesome'; /* Family matters */
  content: "\f007"; /* Icon speak */
}

FontAwesome 5 knocked and said, let's get specific:

.fas:before {
  font-family: 'Font Awesome 5 Free'; /* Specifics, please */
  content: "\f007"; /* They all speak icon */
}

What's the buzzword? Different weights and styles (Solid, Regular, Light) alongside Brands have their family names in FontAwesome 5. Let's keep it in the family!

Celebration and caution: Unicode quirks

In the celebration of Unicode and CSS, remember:

Party's not rocking without Font Awesome's CSS file or other desired icon font libraries in your HTML.
Some Unicode values are VIPs, Private Use code points; verify their compatibility with your chosen font.
Ask the bouncer, the Fileformat.info, for the correct Unicode charm.
Finally, cross-check across multiple platforms and browsers for a consistent party vibe.

Overcoming stage fright: Common problems

As the stage lights dim, you might face a few nerves:

Icon inconsistency: Grab the mic of the trusted CanIUse to check for browser support.
Font family uncertainness: Ensure the font used is in sync with the intended Unicode characters.
Private Use Characters: Some Unicodes have their private desk; the stage belongs to the general Unicodes.