diff --git a/yartsu/_export_format.py b/yartsu/_export_format.py
index bc85c7a..a0d3399 100644
--- a/yartsu/_export_format.py
+++ b/yartsu/_export_format.py
@@ -1,18 +1,20 @@
 CONSOLE_SVG_FORMAT = """\
 <svg class="rich-terminal shadow" viewBox="0 0 {width} {height}" xmlns="http://www.w3.org/2000/svg">
-    <!-- Generated with Rich https://www.textualize.io -->
+    <!-- Generated with Rich https://www.textualize.io & yartsu https://github.com/daylinmorgan/yartsu -->
     <style>
     @font-face {{
         font-family: "Fira Code";
         src: local("FiraCode-Regular"),
-            url("https://cdn.jsdelivr.net/gh/ryanoasis/nerd-fonts@2.1.0/patched-fonts/FiraCode/Regular/complete/Fira%20Code%20Regular%20Nerd%20Font%20Complete.ttf") format("truetype");
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff2/FiraCode-Regular.woff2") format("woff2"),
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff/FiraCode-Regular.woff") format("woff");
         font-style: normal;
         font-weight: 400;
     }}
     @font-face {{
         font-family: "Fira Code";
         src: local("FiraCode-Bold"),
-            url("https://cdn.jsdelivr.net/gh/ryanoasis/nerd-fonts@2.1.0/patched-fonts/FiraCode/Bold/complete/Fira%20Code%20Bold%20Nerd%20Font%20Complete.ttf") format("truetype");
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff2/FiraCode-Bold.woff2") format("woff2"),
+                url("https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/woff/FiraCode-Bold.woff") format("woff");
         font-style: bold;
         font-weight: 700;
     }}
diff --git a/yartsu/argparse.py b/yartsu/argparse.py
index 374b218..4d1ed06 100644
--- a/yartsu/argparse.py
+++ b/yartsu/argparse.py
@@ -68,7 +68,10 @@ class CustomFormatter(StdHelpFormatter):
         # short action name; start on the same line and pad two spaces
         elif action_header_len <= action_width:
             tup = self._current_indent, "", action_width, action_header
-            action_header = f"{' '*self._current_indent}{action_header}{' '*(action_width+2 - action_header_len)}"
+            action_header = (
+                f"{' '*self._current_indent}{action_header}"
+                f"{' '*(action_width+2 - action_header_len)}"
+            )
             indent_first = 0
 
         # long action name; start on the next line
@@ -114,7 +117,6 @@ class CustomFormatter(StdHelpFormatter):
 
     def add_argument(self, action: Action) -> None:
         if action.help is not SUPPRESS:
-
             # find all invocations
             get_invocation = self._format_action_invocation
             invocations = [get_invocation(action)]
diff --git a/yartsu/cli.py b/yartsu/cli.py
index 600827f..9d73ecb 100644
--- a/yartsu/cli.py
+++ b/yartsu/cli.py
@@ -19,7 +19,6 @@ DEFAULT_THEME = os.getenv("YARTSU_THEME", "cat-mocha")
 
 
 def get_parser() -> ArgumentParser:
-
     parser = ArgumentParser(
         usage=SUPPRESS,
         description=textwrap.dedent(
diff --git a/yartsu/console.py b/yartsu/console.py
index 0b3a141..09c0d99 100644
--- a/yartsu/console.py
+++ b/yartsu/console.py
@@ -20,18 +20,24 @@ class Console(RichConsole):
         theme: Optional[TerminalTheme] = None,
         clear: bool = True,
         code_format: str = CONSOLE_SVG_FORMAT,
+        font_aspect_ratio: float = 0.61,
+        unique_id: Optional[str] = None,
     ) -> str:
         """
         Generate an SVG from the console contents (requires record=True in Console constructor).
 
         Args:
-            path (str): The path to write the SVG to.
-            title (str): The title of the tab in the output image
+            title (str, optional): The title of the tab in the output image
             theme (TerminalTheme, optional): The ``TerminalTheme`` object to use to style the terminal
             clear (bool, optional): Clear record buffer after exporting. Defaults to ``True``
-            code_format (str): Format string used to generate the SVG. Rich will inject a number of variables
+            code_format (str, optional): Format string used to generate the SVG. Rich will inject a number of variables
                 into the string in order to form the final SVG output. The default template used and the variables
                 injected by Rich can be found by inspecting the ``console.CONSOLE_SVG_FORMAT`` variable.
+            font_aspect_ratio (float, optional): The width to height ratio of the font used in the ``code_format``
+                string. Defaults to 0.61, which is the width to height ratio of Fira Code (the default font).
+                If you aren't specifying a different font inside ``code_format``, you probably don't need this.
+            unique_id (str, optional): unique id that is used as the prefix for various elements (CSS styles, node
+                ids). If not set, this defaults to a computed value based on the recorded content.
         """
 
         from rich.cells import cell_len
@@ -75,7 +81,7 @@ class Console(RichConsole):
 
         width = self.width
         char_height = 20
-        char_width = char_height * 0.61
+        char_width = char_height * font_aspect_ratio
         line_height = char_height * 1.22
 
         margin_top = 1
@@ -127,14 +133,16 @@ class Console(RichConsole):
             if clear:
                 self._record_buffer.clear()
 
-        unique_id = "terminal-" + str(
-            zlib.adler32(
-                ("".join(segment.text for segment in segments)).encode(
-                    "utf-8", "ignore"
+        if unique_id is None:
+            unique_id = "terminal-" + str(
+                zlib.adler32(
+                    ("".join(repr(segment) for segment in segments)).encode(
+                        "utf-8",
+                        "ignore",
+                    )
+                    + title.encode("utf-8", "ignore")
                 )
-                + title.encode("utf-8", "ignore")
             )
-        )
         y = 0
         for y, line in enumerate(Segment.split_and_crop_lines(segments, length=width)):
             x = 0
diff --git a/yartsu/term.py b/yartsu/term.py
index 211ae30..6f28d46 100644
--- a/yartsu/term.py
+++ b/yartsu/term.py
@@ -27,7 +27,6 @@ theme = Theme({"header": "bold cyan", "option": "yellow", "metavar": "green"})
 
 class Term:
     def __init__(self, width: int) -> None:
-
         self.console = Console(highlight=False, theme=theme, width=width)
         self.err_console = Console(
             theme=Theme({"error": "bold red"}, inherit=True),