A standard server error page stripped of all branding.
02
Color
#000000Ink
#FFFFFFBG
rgba(0, 0, 0, 1.0)Line
High-contrast, zero-hue monochrome.
03
Typography
transitional-serif
display32px · 700
body16px · 400
Use the browser's default serif font (Times) for all text. · Maintain a strict 2:1 size ratio between the main headline and the body text.
04
Spacing
4px
8px
16px
24px
32px
48px
64px
96px
Standard browser default margins.
05
Surfaces
sm · 0px
md · 0px
lg · 0px
pill · 0px
None
07
Motion & Interaction
0msmicro
0mssmall
0msmedium
lineareasing
None · None
08
Components
heroN/A
09
Voice & Don'ts
ToneDirect
HeadlinesStandard system serif, bold weight.
CTAsN/A
don't use custom brand fonts — screenshot shows default browser Times font
don't use high-chroma accent colors — screenshot shows only black text
don't add complex layouts or grids — screenshot shows raw unstyled text flow
don't use rounded corners or drop shadows — screenshot shows completely flat text
don't add decorative icons or illustrations — screenshot shows plain unstyled text
don't use a dark mode background — screenshot shows a plain white background
Avoid: branding
Avoid: graphics
Avoid: interactive elements
Avoid: custom styling
Avoid: colors
Avoid: icons
11
System prompt
This is a system-generated, unstyled server error page blocking access to a premium automotive site. It consists of a 32px bold serif headline and three lines of 16px regular serif body text on a plain white background. The palette is strictly monochrome using pure black ink (#000000) on pure white (#FFFFFF) with no visible accent colors. The typography uses the default browser serif font (Times) without any custom web fonts. Critical donts: never add custom branding or colors, never use sans-serif fonts, never apply complex grids or layouts, never add rounded corners or shadows, and never hide the raw technical reference text.
Bring this taste to your agent
Hand your AI agent a machine-readable spec of this design — tokens, type, motion, the whole DNA.
