css percent scale checkbox

input[type=checkbox] {
    transform: scale(1.5);
}

// to scale checkboxes with the rest of the page use this:
//Note, use width percent, height auto and the scale command inside another div as a ref
<div style="width:100%; height:auto;">
	<input type="checkbox" style="width:20%; height:auto; transform: scale(2.5);">
</div>