Merge pull request #1357 from tailwindcss/use-font-sans-by-default

Use font-sans as the default font, not the system font

Author: adamwathan

__tests__/fixtures/tailwind-output-important.css

@@ -407,7 +407,8 @@ ul {
  */
 
 /**
- * 1. Use Tailwind's default sans-serif font stack as a sane default.
+ * 1. Use the user's configured `sans` font-family (with Tailwind's default
+ *    sans-serif font stack as a fallback) as a sane default.
  * 2. Use Tailwind's default "normal" line-height so the user isn't forced
  *    to override it to ensure consistency even when using the default theme.
  */

__tests__/fixtures/tailwind-output.css

@@ -407,7 +407,8 @@ ul {
  */
 
 /**
- * 1. Use Tailwind's default sans-serif font stack as a sane default.
+ * 1. Use the user's configured `sans` font-family (with Tailwind's default
+ *    sans-serif font stack as a fallback) as a sane default.
  * 2. Use Tailwind's default "normal" line-height so the user isn't forced
  *    to override it to ensure consistency even when using the default theme.
  */

src/plugins/css/preflight.css

@@ -57,13 +57,14 @@ ul {
  */
 
 /**
- * 1. Use Tailwind's default sans-serif font stack as a sane default.
+ * 1. Use the user's configured `sans` font-family (with Tailwind's default
+ *    sans-serif font stack as a fallback) as a sane default.
  * 2. Use Tailwind's default "normal" line-height so the user isn't forced
  *    to override it to ensure consistency even when using the default theme.
  */
 
 html {
-  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; /* 1 */
+  font-family: theme('fontFamily.sans', Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"); /* 1 */
   line-height: 1.5; /* 2 */
 }