style error message better

components/wizard/index.tsx

@@ -73,14 +73,12 @@ function WizardInternal() {
         <DateSelect />
         <Reason />
         <Contact />
-        <div>
+        <div className="flex items-end">
           <button type="submit" disabled={postData} className="btn btn-blue">
             {postData ? 'Speichern...' : 'Absenden'}
           </button>
           {postDataError && (
-            <div className="error-message">
-              <strong>Error:</strong> {postDataError}
-            </div>
+            <div className="error-message flex-grow">{postDataError}</div>
           )}
         </div>
       </form>