256 bytes of css

256 bytes of CSS are enough to get a beautiful, readable and adaptive website.

Yes, 256B. It is 0,256 kb. Only 256 char.

Even less minified and gzipped

• Use "rem" unit as much as possible to keep user's size choices
• Do not set colors to keep user's client preferences
• Set a maximum width to 37rem ≈ 72 char to reduce eyes strain.
• Remove link colors and set them bold to improve legibility

body,pre { padding: 1rem }
body { font: 1.1rem/1.4 sans-serif; max-width: 37rem; margin: auto }
pre { overflow: auto; font-size: 1rem; border: 1px solid }
blockquote { font: italic 1em serif }
a { color: inherit; font-weight:bold }
img { max-width: 100% }

Remember to have in your header :

<meta name="viewport" content="width=device-width" />