surcharge largeur colonne

index3.html

@@ -7,6 +7,11 @@
 </head>
 <body>
    <h1>Flexbox test 3</h1>
+   
+   <style media="screen">
+      #my-table div.td:nth-child(2) { flex: 5; }
+   </style>
+   
    <div class="table" id="my-table">
       <div class="tr header">
          <div class="td">ID</div>