diff --git a/sphinxcontrib/screenshot.py b/sphinxcontrib/screenshot.py
index 7c1a85c..e687bf0 100644
--- a/sphinxcontrib/screenshot.py
+++ b/sphinxcontrib/screenshot.py
@@ -80,6 +80,7 @@ class ScreenshotDirective(SphinxDirective):
       'height': directives.positive_int,
       'width': directives.positive_int,
       'caption': directives.unchanged,
+      'figclass': directives.unchanged,
   }
   pool = ThreadPoolExecutor()
 
@@ -133,6 +134,7 @@ def run(self) -> typing.List[nodes.Node]:
     height = self.options.get('height', 960)
     width = self.options.get('width', 1280)
     caption_text = self.options.get('caption', '')
+    figclass = self.options.get('figclass', '')
     interactions = '\n'.join(self.content)
 
     if urlparse(url).scheme not in {'http', 'https'}:
@@ -158,6 +160,9 @@ def run(self) -> typing.List[nodes.Node]:
     image_node = nodes.image(uri=rel_filepath)
     figure_node = nodes.figure('', image_node)
 
+    if figclass:
+      figure_node['classes'].append(figclass)
+
     if caption_text:
       parsed = nodes.Element()
       self.state.nested_parse(
diff --git a/tests/test-root/index.rst b/tests/test-root/index.rst
index cb282ac..af6f02f 100644
--- a/tests/test-root/index.rst
+++ b/tests/test-root/index.rst
@@ -14,3 +14,8 @@
   :caption: Changing the background.
 
   document.body.style.background = 'red';
+
+.. screenshot:: http://www.example.com
+  :width: 480
+  :height: 320
+  :figclass: round
diff --git a/tests/test_it.py b/tests/test_it.py
index 467a984..d9fb4f7 100644
--- a/tests/test_it.py
+++ b/tests/test_it.py
@@ -29,7 +29,7 @@ def test_default(app: SphinxTestApp, status: StringIO,
 
   # Every screenshot directive should become an image.
   imgs = soup.find_all('img')
-  assert len(list(imgs)) == 3
+  assert len(list(imgs)) == 4
 
   # The image size should be set as specified.
   img_obj = Image.open(app.outdir / imgs[0]['src'])
@@ -44,7 +44,7 @@ def test_default(app: SphinxTestApp, status: StringIO,
 
   # The images should be different after the specified user interaction.
   img_before_interaction = Image.open(app.outdir / imgs[0]['src'])
-  img_after_interaction = Image.open(app.outdir / imgs[-1]['src'])
+  img_after_interaction = Image.open(app.outdir / imgs[2]['src'])
   assert list(img_before_interaction.getdata()) != list(
       img_after_interaction.getdata())
 
@@ -52,3 +52,6 @@ def test_default(app: SphinxTestApp, status: StringIO,
   img_with_caption_a = imgs[0]
   img_with_caption_b = imgs[1]
   assert img_with_caption_a['src'] == img_with_caption_b['src']
+
+  # The figure node should have the class name specified.
+  assert 'round' in soup.find_all('figure')[-1]['class']