In this episode of Syntax, Wes and Scott talk about the process they are using for extending the Syntax website with themes, including a dark mode and secret custom themes. They also talk about issues encountered with theming and CSS, including flashes of un-themed content.

• 00:00 Syntax + Sentry Announcement!
• 01:35 Welcome
• 02:23 Syntax Brought to you by Sentry
• 03:16 How to implement a theme
• 10:27 Writing the CSS
• 11:38 Glasses wearers protip
• 13:02 Class on the body and server side rendering issue
• 14:02 CSS Variables
• 15:05 Color variables in CSS
• 21:07 Working in half pixel sizes
• 22:40 Variable usage
• 25:23 Naming variables after what they style
• 30:42 Component level variables
• 33:27 Using zones
• 38:41 Themes should be defined as light or dark
• 39:20 Issues: Moving from light to dark
• 42:29 Issues: Drop shadow in dark mode
• 44:00 Issues: Flash of unthemed content
• 44:40 Issues: Opacity values
• 49:45 Issues: SVG need change color
• 55:56 Help is on the way!
• 59:57 SIIIIICK ××× PIIIICKS ×××

• website/src/styles/themes/level-up.css at v2
• The 2023 State of CSS Survey Part 2 × CSS Frameworks × Tooling × Browser Usage
• “color-contrast” | Can I use… Support tables for HTML5, CSS3, etc
• The Future of CSS: Easy Light-Dark Mode Color Switching with light-dark() – Bram.us

• Scott: Kala (@engineer.everything)

• Scott: Sentry
• Wes: Wes Bos Tutorials

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