Button: underline
An ACSS button with a faint line under its label; on hover a solid one draws over it, left to right.
Live preview
What you can build with it
A quiet secondary action beside a louder primary one. A text-led button for editorial or legal sites. A navigation call to action in a header.
Props
label (text); href (url); style (select: primary, outline); size (select: default, large)
States shown
Rest, hover, focus, active. Reduced motion: the underline appears without drawing.
How to change it
Content and options are 4 props in the component's settings panel. Colour, type, spacing and radius follow your Automatic.css settings, so a change to the site's palette or scale changes this too. For anything else, edit the classes in the Style Manager, starting with .button-row, .motion-btn, .motion-btn-underline.
ACSS tokens used
ACSS button tokens (–btn-*), –primary, –on-primary, –white, –black, –transition.
ACSS requirements
ACSS 4 defaults with its button classes. Nothing to install.
Version history
Version 1.1.0, September 30, 2026: A faint line sits under the label at rest and a solid 2 px line draws over it on hover. Version 1.0.0, September 28, 2026: First release.
Tested with
Etch 1.6.7 and ACSS 4.0.1. Version 1.1.0.
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