
The HTML hr tag represents a horizontal rule used to separate content on a webpage. Traditionally viewed as a simple line, it now functions as a "thematic break" to shift topics between sections. It is a self-closing, void element that helps developers organize text visually and structurally without requiring any closing tag to function properly.
| Attribute | What it did | Modern Replacement |
| Align | Positioned the line left or right | CSS margin |
| Noshade | Removed the 3D shadow | CSS border |
| Size | Changed the height/thickness | CSS height |
| Width | Changed the horizontal length | CSS width |
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| HTML Dialog Tag |
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| HTML Figure Tag |
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