CSS Proof of Concept

Modern CSS Skills Showcase

Explore cutting-edge CSS techniques in a single, self-contained demo page. No frameworks, no build tools—just pure CSS mastery.

Advanced CSS Techniques

This demo showcases modern CSS capabilities that work across all modern browsers without any external dependencies.

CSS Custom Properties

Dynamic theming with CSS variables that update in real-time. Switch between light and dark modes with a single click.

Modern Layouts

CSS Grid and Flexbox create responsive, flexible layouts that adapt to any screen size without media query chaos.

Smooth Animations

Hardware-accelerated animations using transform and opacity, with custom easing curves and keyframe animations.

Glassmorphism

Backdrop filters and transparency create modern frosted-glass effects that work on supporting browsers.

Gradient Text

Background-clip text with linear gradients creates vibrant text effects without images or SVG.

Fully Responsive

Fluid typography with clamp(), responsive units, and mobile-first design principles.

Interactive CSS Demo

Adjust the controls below to see CSS properties update in real-time. This demonstrates the power of CSS custom properties.

Adjust controls to see CSS changes

in real-time!

Pure CSS Code

No JavaScript frameworks, no build tools. Just modern CSS that works today.

styles.css (excerpt)

/* Modern CSS with custom properties */
:root {
  --primary: #6366f1;
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--accent));
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

/* Glassmorphism effect */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}