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No.61 · Controls

Ink Tick

A checkbox ticked with a pen: one stroke that bleeds a little into the paper, then the label struck through by the same hand.

The prompt

The design brief behind this component — reuse it to regenerate, remix, or explain it.

Build a checkbox that is ticked with a pen, keeping a real (visually hidden) <input type="checkbox"> inside a <label> so forms, keyboard and screen readers work untouched. Draw the box as a hand-made SVG path that is not quite square and overlaps where the pen closes it (1.5px, currentColor at 70%, full on hover). The tick is one curved stroke (3.2 wide, round caps, in the ink colour) that runs from the left, dips, and flicks up past the top-right of the box. It draws in with stroke-dasharray/offset on pathLength=1 over 420ms, starting fast and slowing as the pen lifts, through an feTurbulence + feDisplacementMap filter (scale 1.6) so its edges bleed slightly like ink on paper. 300ms later, the label is struck through by a slightly wavy hand line (drawn the same way) and dims to 55%. Unticking erases both faster in the reverse direction (220–260ms, ease-in), like a quick scrub. The row is at least 44px tall; keyboard focus shows a ring round the box in the ink colour. Demo: a weekend to-do list.

Notes

Interaction
Click the row, tap it, or press Space when focused to tick and untick.
Motion
Tick 420ms draw; strike 380ms after a 300ms delay; untick scrubs out in 220–260ms.
Accessibility
A native checkbox in a label, so the whole row is clickable and announced normally; the drawings are aria-hidden. Reduced motion shows the tick and strike instantly.
Responsive
The label wraps naturally beside the fixed 30px box; the strike scales to the text width.
On touch
Tap anywhere on the row; the hover emphasis is mouse-only.

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301 components