diff --git a/tools/showcase/showcase.py b/tools/showcase/showcase.py
index c44c293217..a65f838c1a 100644
--- a/tools/showcase/showcase.py
+++ b/tools/showcase/showcase.py
@@ -201,7 +201,9 @@ def main():
 
     try:
         os.makedirs(example_file_path)
-        wave_server = subprocess.Popen(['make', 'run'], cwd=os.path.join('..', '..'), stderr=subprocess.DEVNULL, preexec_fn=os.setsid) # noqa
+        env = os.environ.copy()
+        env['H2O_WAVE_RECONNECT_TIMEOUT'] = "0s"
+        wave_server = subprocess.Popen(['make', 'run'], cwd=os.path.join('..', '..'), stderr=subprocess.DEVNULL, preexec_fn=os.setsid, env=env) # noqa
         time.sleep(1)
 
         retries = 3
diff --git a/ui/src/form.tsx b/ui/src/form.tsx
index 02b22cf4a7..79a7a19053 100644
--- a/ui/src/form.tsx
+++ b/ui/src/form.tsx
@@ -215,7 +215,8 @@ const
       alignItems: 'center',
       $nest: {
         '> [data-visible="true"] ~ div': {
-          marginLeft: 8
+          paddingLeft: 8,
+          boxSizing: 'border-box'
         }
       }
     },