The Slideout Footer

The newly launched website, The Markup, boasts a compelling tagline: "Big Tech Is Watching You. We’re Watching BigTech." Developed by Upstatement, the site's impressive content is matched by its sophisticated design and technology. Notable features include clean typography, a unique layout, striking angled hover effects on content blocks, and a subtle yet elegant dot motif.

A particularly noteworthy element is the cleverly designed footer. It smoothly slides into view from beneath the main content as the user scrolls to the page's bottom. Let's explore how to recreate this effect!

The key to this effect lies in these four elements:

1. The main content area must have a minimum height of 100vh. While most websites already adhere to this, it's crucial for reliable functionality.
2. The main content area requires a solid background color to mask the footer before it slides into view.
3. The footer is placed in the HTML after the main content. Relative positioning and z-index adjustments ensure the main content remains on top.
4. Sticky positioning is used to anchor the footer to the bottom of the viewport.

This sticky positioning approach is superior to The Markup's method, which relies on position: fixed; and a calculated margin-bottom value on the main content. Avoiding arbitrary values makes the implementation significantly more robust and adaptable.

The simplicity and effectiveness of this sticky positioning technique are remarkable. Thanks to Stephen Shaw for this clever solution! My initial attempt used fixed positioning and required manual adjustments, highlighting the superiority of this sticky approach.

Preethi demonstrated a similar technique back in 2018. The primary difference here is the use of a linear gradient for the body's background, offering a flexible alternative to a solid background color, which might be restrictive in certain design contexts.

Video Tutorial

A video tutorial by Stephen Shaw is available!

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