431948-1-ref.html (241B)
1 <!doctype html> 2 <style> 3 span { 4 width: 50px; height: 50px; margin: 5px; 5 display: inline-block; background-color: green; 6 } 7 </style> 8 <span id="a"></span> 9 <span id="b"></span> 10 <span id="c"></span> 11 <span id="d"></span> 12 <span id="e"></span>