style: new style of markdown editor

client/pages/AdminPage.tsx

@@ -36,19 +36,23 @@ const CreateProblem = ({}) => {
     }
 
     return (
-        <>
-            <div class="problem-title">
-                <label>Titolo</label>
+        <div class="create-problem-form">
+            <div class="col">
+                <label for="create-problem-title">Titolo</label>
                 <input
                     type="text"
+                    id="create-problem-title"
                     value={title}
                     onInput={e => setTitle(e.target instanceof HTMLInputElement ? e.target.value : '')}
                     placeholder="Problema..."
                 />
             </div>
-            <MarkdownEditor placeholder="Scrivi un nuovo problema..." {...{ source, setSource }} />
+            <div class="col">
+                <label>Testo</label>
+                <MarkdownEditor placeholder="Scrivi un nuovo problema..." {...{ source, setSource }} />
+            </div>
             <button onClick={handleCreateProblem}>Aggiungi Problema</button>
-        </>
+        </div>
     )
 }