This summary provides a quick check of HTML structure, CSS compliance, and ECM-specific standards for the chapter:
Chapter: Negative Apparent Mass
| Validation Item | Status | Comments / Notes |
|---|---|---|
| HTML5 Doctype & Language Tag | PASS | Uses and lang="en-gb" |
| Character Encoding | PASS | UTF-8 encoding ensures proper display of ECM symbols (−Mᵃᵖᵖ, E = mc²) |
| Header Hierarchy & Semantic Tags | PASS | H1-H2-H3 structure properly maintained; blockquotes used for emphasis |
| CSS Consistency | PASS | ECM colour palette, fonts, and spacing applied consistently |
| Navigation Links | PASS | All links include target="_blank" and rel="noopener noreferrer" |
| Special Characters Display | PASS | All negative masses, superscripts, and math symbols display correctly |
| Paragraph & Line Gaps | PASS | Unnecessary gaps removed; text flows naturally |
| Accessibility (Alt Text, Contrast) | CHECK | Images need proper alt attributes; color contrast is adequate for readability |
| References & Links | PASS | All references and DOIs are linked correctly |
| Responsiveness / Mobile View | PASS | Viewport meta tag included; content adapts to mobile screens |
| Footer & Navigation Consistency | PASS | Footer links match top navigation; styling consistent |
Legend: PASS / FAIL / CHECK
Last validated: