contain-layout-select-001-ref.html (201B)
1 <!doctype html> 2 <style> 3 button { 4 appearance: none; 5 contain: layout; 6 width: 20px; 7 height: 20px; 8 border: 2px solid; 9 margin: 5px; 10 padding: 2px; 11 } 12 </style> 13 <button></button><button></button>