sauver les grilles invalides

style.css

@@ -194,9 +194,11 @@ h2 {
   margin: 1em auto 0 auto;
   display: flex;
   align-items: baseline;
+  position: relative;
 }
 
 .nouvelle-grille::before {
+  position: absolute;
   content: "";
   height: 16px;
   width: 16px;
@@ -220,6 +222,14 @@ h2 {
   cursor: pointer;
 }
 
+#lignes {
+  cursor: row-resize;
+}
+
+#colonnes {
+  cursor: col-resize;
+}
+
 .nouvelle-grille button {
   text-decoration: underline;
 }