diff --git a/README.md b/README.md
index a573c4f..125cc5b 100644
--- a/README.md
+++ b/README.md
@@ -48,10 +48,12 @@ plugins:
 
 Use code-fences with a tag of kroki-`<Module>` to replace the code with the wanted diagram.
 
+[Diagram options](https://docs.kroki.io/kroki/setup/diagram-options/) can be set as well.
+
 Example for BlockDiag:
 
 ````markdown
-```kroki-blockdiag
+```kroki-blockdiag no-transparency=false
 blockdiag {
   blockdiag -> generates -> "block-diagrams";
   blockdiag -> is -> "very easy!";
diff --git a/kroki/client.py b/kroki/client.py
index 216dbe1..970fb3c 100644
--- a/kroki/client.py
+++ b/kroki/client.py
@@ -29,31 +29,34 @@ def _kroki_uri(self, kroki_type):
         file_type = self.diagram_types.get_file_ext(kroki_type)
         return f'{self.server_url}/{kroki_type}/{file_type}'
 
-    def _get_url(self, kroki_type, kroki_diagram_data):
+    def _get_url(self, kroki_type, kroki_diagram_data, kroki_diagram_options={}):
         kroki_data_param = \
             base64.urlsafe_b64encode(
                 zlib.compress(str.encode(kroki_diagram_data), 9)).decode()
-
+    
+        kroki_query_param = \
+            "&".join([ f'{k}={v}' for k, v in kroki_diagram_options.items()]) if len(kroki_diagram_options)>0 else ''
         if len(kroki_data_param) >= 4096:
             debug(f'Length of encoded diagram is {len(kroki_data_param)}. '
                   'Kroki may not be able to read the data completely!')
 
         kroki_uri = self._kroki_uri(kroki_type)
-        return f'{kroki_uri}/{kroki_data_param}'
+        error(f'{kroki_uri}/{kroki_data_param}?{kroki_query_param}')
+        return f'{kroki_uri}/{kroki_data_param}?{kroki_query_param}'
 
-    def get_url(self, kroki_type, kroki_diagram_data):
+    def get_url(self, kroki_type, kroki_diagram_data,kroki_diagram_options={}):
         debug(f'get_url: {kroki_type}')
 
         if self.http_method != 'GET':
             error(f'HTTP method is {self.http_method}. Config error!')
             return None
 
-        return self._get_url(kroki_type, kroki_diagram_data)
+        return self._get_url(kroki_type, kroki_diagram_data, kroki_diagram_options)
 
-    def get_image_data(self, kroki_type, kroki_diagram_data):
+    def get_image_data(self, kroki_type, kroki_diagram_data, kroki_diagram_options={}):
         try:
             if self.http_method == 'GET':
-                url = self._get_url(kroki_type, kroki_diagram_data)
+                url = self._get_url(kroki_type, kroki_diagram_data, kroki_diagram_options)
 
                 debug(f'get_image_data [GET {url[:50]}..]')
                 r = requests.get(url)
@@ -63,7 +66,8 @@ def get_image_data(self, kroki_type, kroki_diagram_data):
                 debug(f'get_image_data [POST {url}]')
 
                 r = requests.post(url, json={
-                    "diagram_source": kroki_diagram_data
+                    "diagram_source": kroki_diagram_data,
+                    "diagram_options": kroki_diagram_options
                 })
 
             debug(f'get_image_data [Response: {r}]')
diff --git a/kroki/config.py b/kroki/config.py
index 615d879..faf64e6 100644
--- a/kroki/config.py
+++ b/kroki/config.py
@@ -70,7 +70,7 @@ def __init__(self, blockdiag_enabled, bpmn_enabled, excalidraw_enabled,
 
     def get_block_regex(self, fence_prefix):
         diagram_types_re = "|".join(self.diagram_types_supporting_file.keys())
-        return rf'(?:```{fence_prefix})({diagram_types_re})\n(.*?)(?:```)'
+        return rf'(?:```{fence_prefix})({diagram_types_re})((?:\s?[a-zA-Z0-9\-_]+=[a-zA-Z0-9\-_]+)*)\n(.*?)(?:```)'
 
     def get_file_ext(self, kroki_type):
         return self.diagram_types_supporting_file[kroki_type]
diff --git a/kroki/plugin.py b/kroki/plugin.py
index 1b17e4d..84c0c42 100644
--- a/kroki/plugin.py
+++ b/kroki/plugin.py
@@ -9,6 +9,7 @@
 from mkdocs.plugins import log
 from pathlib import Path
 from os.path import relpath
+import os
 
 from .config import KrokiDiagramTypes
 from .client import KrokiClient
@@ -21,7 +22,7 @@
 
 class KrokiPlugin(BasePlugin):
     config_scheme = (
-        ('ServerURL', config.config_options.Type(str, default='https://kroki.io')),
+        ('ServerURL', config.config_options.Type(str, default=os.getenv('KROKI_SERVER_URL','https://kroki.io'))),
         ('EnableBlockDiag', config.config_options.Type(bool, default=True)),
         ('Enablebpmn', config.config_options.Type(bool, default=True)),
         ('EnableExcalidraw', config.config_options.Type(bool, default=True)),
@@ -93,17 +94,19 @@ def _save_kroki_image_and_get_url(self, file_name, image_data, files):
 
     def _replace_kroki_block(self, match_obj, files, page):
         kroki_type = match_obj.group(1).lower()
-        kroki_data = match_obj.group(2)
+        kroki_options = match_obj.group(2)
+        kroki_data = match_obj.group(3)
 
+        kroki_diagram_options=dict(x.split('=') for x in kroki_options.strip().split(' ')) if kroki_options else {}
         get_url = None
         if self.config["DownloadImages"]:
-            image_data = self.kroki_client.get_image_data(kroki_type, kroki_data)
+            image_data = self.kroki_client.get_image_data(kroki_type, kroki_data, kroki_diagram_options)
 
             if image_data:
                 file_name = self._kroki_filename(kroki_data, kroki_type, page)
                 get_url = self._save_kroki_image_and_get_url(file_name, image_data, files)
         else:
-            get_url = self.kroki_client.get_url(kroki_type, kroki_data)
+            get_url = self.kroki_client.get_url(kroki_type, kroki_data, kroki_diagram_options)
 
         if get_url is not None:
             return f'![Kroki]({get_url})'