Skill 03 / 03
HTML & CSS, responsive
Resize a real page of this site from 1440 to 320 px and watch its CSS reflow.
- HTML, CSS and responsive web design(verified)
Overview
Two freeCodeCamp Responsive Web Design certifications, and a live demonstration on this site itself: one of its real pages, narrowed from 1440 to 320 px while its own CSS reflows.
On this page
HTML, CSS and responsive web design (verified)
See proof
Claim
HTML, CSS and responsive web design
✓ Verified
Evidence
- freeCodeCamp: Responsive Web Design · freecodecamp · checked 29 September 2026Issued 20 Jul 2026. Checked on the public freeCodeCamp API.
- freeCodeCamp: Legacy Responsive Web Design V8 · freecodecamp · checked 29 September 2026Issued 15 Jul 2026. Checked on the public freeCodeCamp API.
Result
Two freeCodeCamp certifications: an exam and a certification with 5 projects (survey form, tribute page, technical documentation page, product landing page, personal portfolio).
Transform
Drag the slider (or use the keys): the framed page is this site’s real /projects/, rendered at the width you choose and scaled to fit. The layout you see is its CSS reacting to that width: the sidebar becomes a top bar and a tab bar, and the cards fold into fewer columns.
Transform: 1440 → 320 px
Evidence tier: Interactive demonstration · Built for this CV
Framed page: /projects/ of this site, at 375 × 900 px. Open it in full
Evidence
The exam-based certification, and the legacy certification with its 5 projects.
Responsive Web Design
Evidence tier: Existing evidence
Legacy Responsive Web Design V8
Evidence tier: Existing evidence
Open the certificate freeCodeCamp: Legacy Responsive Web Design V8
Result Two freeCodeCamp certifications: an exam and a certification with 5 projects (survey form, tribute page, technical documentation page, product landing page, personal portfolio).