leaf.html (517B)
1 <!DOCTYPE html> 2 <style> 3 body { 4 background-color: aqua; 5 --target-width: 32px; 6 --target-height: 24px; 7 --scale: 1; 8 margin: calc(18px * var(--scale)); 9 } 10 #target { 11 width: calc(var(--target-width) * var(--scale)); 12 height: calc(var(--target-height) * var(--scale)); 13 background-color: hotpink; 14 } 15 </style> 16 17 <div id="target"></div> 18 19 <script> 20 let params = new URLSearchParams(location.search); 21 if (params.has("scale")) { 22 document.body.style.setProperty("--scale", parseFloat(params.get("scale"))); 23 } 24 </script>