Width, Height and Overflow

🎨 CSS3+ 🟢 Chapter 14 of 49 📂 Phase 05: Box Model 📅 2026 Edition

📌 Covered in this chapter: width · height · min-width · max-width · min-height · max-height · overflow · overflow-x/y · overflow-wrap · Text Clipping · Scroll Containers

Welcome to Chapter 14: Width, Height and Overflow — part of the CSS Complete Roadmap. This lesson covers all subtopics with clear explanations, code examples, and best practices used in professional web development.

1Width & Height Properties

CSS▶ Try in Editor

.panel {
  width: 100%;
  max-width: 640px;
  min-width: 280px;
  height: auto;
  min-height: 200px;
  max-height: 80vh;
}

width/height: auto — content size batti adjust avuthundi. Fixed dimensions responsive design lo careful ga use cheyandi.

2Overflow — hidden, scroll, auto

CSS

.scroll-box {
  max-height: 300px;
  overflow-y: auto;
  overflow-x: hidden;
}

.clipped {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

visible — content overflow (default)
hidden — clip excess content
scroll — always show scrollbars
auto — scrollbars when needed

3overflow-wrap & Scroll Containers

CSS

.long-url {
  overflow-wrap: break-word;
  word-break: break-word;
}

.modal-body {
  overflow-y: auto;
  overscroll-behavior: contain;
}

Scroll containers — modals, sidebars, chat windows ki overflow: auto + fixed height common pattern.

Written by Our Compiler Technical Editorial Team
Reviewed for accuracy · CSS Complete Roadmap · Last updated August 2026