Free Section
High-Conversion Newsletter CTA Banner
A high-conversion email capture section with gradient glow backdrop, responsive inline input button, and live subscriber counter.
Colours in this gradient
#020617#6366f1#a855f7#ffffff
background: ;The code
Plain HTML and CSS with no dependencies. Copy a single file, or choose "Full file" for a complete page you can save as index.html and open in a browser.
<section class="cta-sec">
<div class="cta-card">
<div class="cta-glow"></div>
<div class="cta-inner">
<span class="cta-pill">✦ Weekly Engineering Digest</span>
<h2>Stay ahead of the generative AI curve</h2>
<p>Join 14,000+ engineers receiving curated system design breakdowns, benchmark tests, and production code snippets every Thursday.</p>
<form class="cta-form" id="newsletterForm" onsubmit="event.preventDefault(); document.getElementById('ctaSuccess').style.display='block';">
<input type="email" class="cta-input" placeholder="Enter your work email..." required />
<button type="submit" class="cta-btn">Subscribe Free →</button>
</form>
<div class="cta-success" id="ctaSuccess">✓ You're in! Check your inbox for the welcome issue.</div>
<div class="cta-subtext">No spam ever · Unsubscribe anytime with 1 click · 100% free</div>
</div>
</div>
</section>The AI prompt
Paste this into an AI coding tool to generate the same section, then ask it to adapt the colours, text or framework to your project.
Create a high-converting newsletter call-to-action card section in HTML and CSS. Requirements: - Enclosed card with top radial glow backdrop. - Headline, benefits description, and inline email subscription form. - Input with custom placeholder and vibrant gradient submit button. - Anti-spam reassurance subtext and instant success message display. Return one HTML file with a <style> block.
How to build it, step by step
- 1
Center card with max-width: 860px and top radial glow filter.
- 2
Design flexible inline email input with mobile column stacking fallback.
- 3
Show instant success confirmation on form submit.
Customisation tips
- Ensure input contrast and font size (at least 16px on mobile) prevents iOS automatic zoom on focus.