CSS Overflow Control & Modern Custom Scrollbars - Free CSS3 Lessons | Nextsem

Unit 3: Positioning, Layers & FlexboxLesson #15 / 30

Er. Manoj Kumar•Last Updated: 26 Aug, 2026

Manage content that exceeds its container boundaries and customize sleek dark mode scrollbars.

overflow: visible (Default): Content spills outside container.

overflow: hidden: Clips excess content cleanly.

overflow: auto: Adds scrollbars only when content exceeds boundaries.

overflow-x: auto; overflow-y: hidden;: Creates horizontal scrolling trays (like tab bars).

⊞Code Example

.scroll-box {

max-height: 300px;

overflow-y: auto;

scrollbar-width: thin;

scrollbar-color: #04AA6D #0c1328;

}

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