How Can I Create Partial Borders on CSS Boxes Using Creative Techniques?

Creative Ways to Style Boxes with Partial Borders in CSS

In the realm of CSS, it's not always possible to declare a specific size or partial border for a box. However, there are clever ways to achieve the desired effect while maintaining accessibility and graceful degradation.

Consider the example provided in the query: a box with a width of 350px that only displays a bottom border in its first 60px. This can be effectively simulated using a combination of CSS rules:

By appending an empty pseudo-element (:after) to the box container, we can dynamically add a partial bottom border. The width and height of the pseudo-element determine the extent of the border, while its positioning ensures it appears solely in the desired region of the box.

This technique seamlessly degrades even if CSS support is limited. In browsers that do not understand :after, the partial border will simply be hidden, preserving the overall layout and accessibility.

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