diff --git a/rendercv/themes/__init__.py b/rendercv/themes/__init__.py
index c29f97f..066fc61 100644
--- a/rendercv/themes/__init__.py
+++ b/rendercv/themes/__init__.py
@@ -1,6 +1,9 @@
-from typing import Annotated
+""" """
+
+from typing import Literal, Annotated
 
 import pydantic
+import pydantic_extra_types.color as pydantic_color
 
 LaTeXDimension = Annotated[
     str,
@@ -31,3 +34,186 @@ class PageMargins(pydantic.BaseModel):
         title="Right Margin",
         description="The right margin of the page with units.",
     )
+
+
+class SectionTitleMargins(pydantic.BaseModel):
+    top: LaTeXDimension = pydantic.Field(
+        default="0.2 cm",
+        title="Top Margin",
+        description="The top margin of section titles. The default value is 0.2 cm.",
+    )
+    bottom: LaTeXDimension = pydantic.Field(
+        default="0.2 cm",
+        title="Bottom Margin",
+        description="The bottom margin of section titles. The default value is 0.2 cm.",
+    )
+
+
+class EntryAreaMargins(pydantic.BaseModel):
+    left_and_right: LaTeXDimension = pydantic.Field(
+        default="0.2 cm",
+        title="Left Margin",
+        description="The left margin of entry areas. The default value is 0.2 cm.",
+    )
+
+    vertical_between: LaTeXDimension = pydantic.Field(
+        default="0.12 cm",
+        title="Vertical Margin Between Entry Areas",
+        description=(
+            "The vertical margin between entry areas. The default value is 0.12 cm."
+        ),
+    )
+
+    date_and_location_width: LaTeXDimension = pydantic.Field(
+        default="4.1 cm",
+        title="Date and Location Column Width",
+        description=(
+            "The width of the date and location column. The default value is 4.1 cm."
+        ),
+    )
+
+
+class HighlightsAreaMargins(pydantic.BaseModel):
+    top: LaTeXDimension = pydantic.Field(
+        default="0.10 cm",
+        title="Top Margin",
+        description="The top margin of highlights areas. The default value is 0.10 cm.",
+    )
+    left: LaTeXDimension = pydantic.Field(
+        default="0.4 cm",
+        title="Left Margin",
+        description="The left margin of highlights areas. The default value is 0.4 cm.",
+    )
+    vertical_between_bullet_points: LaTeXDimension = pydantic.Field(
+        default="0.10 cm",
+        title="Vertical Margin Between Bullet Points",
+        description=(
+            "The vertical margin between bullet points. The default value is 0.10 cm."
+        ),
+    )
+
+
+class HeaderMargins(pydantic.BaseModel):
+    vertical_between_name_and_connections: LaTeXDimension = pydantic.Field(
+        default="0.2 cm",
+        title="Vertical Margin Between the Name and Connections",
+        description=(
+            "The vertical margin between the name of the person and the connections."
+            " The default value is 0.2 cm."
+        ),
+    )
+    bottom: LaTeXDimension = pydantic.Field(
+        default="0.2 cm",
+        title="Bottom Margin",
+        description=(
+            "The bottom margin of the header, i.e., the vertical margin between the"
+            " connections and the first section title. The default value is 0.2 cm."
+        ),
+    )
+    horizontal_between_connections: LaTeXDimension = pydantic.Field(
+        default="0.5 cm",
+        title="Space Between Connections",
+        description=(
+            "The space between the connections (like phone, email, and website). The"
+            " default value is 0.5 cm."
+        ),
+    )
+
+
+class Margins(pydantic.BaseModel):
+    page: PageMargins = pydantic.Field(
+        default=PageMargins(),
+        title="Page Margins",
+        description="Page margins.",
+    )
+    section_title: SectionTitleMargins = pydantic.Field(
+        default=SectionTitleMargins(),
+        title="Section Title Margins",
+        description="Section title margins.",
+    )
+    entry_area: EntryAreaMargins = pydantic.Field(
+        default=EntryAreaMargins(),
+        title="Entry Area Margins",
+        description="Entry area margins.",
+    )
+    highlights_area: HighlightsAreaMargins = pydantic.Field(
+        default=HighlightsAreaMargins(),
+        title="Highlights Area Margins",
+        description="Highlights area margins.",
+    )
+    header: HeaderMargins = pydantic.Field(
+        default=HeaderMargins(),
+        title="Header Margins",
+        description="Header margins.",
+    )
+
+
+class ThemeOptions(pydantic.BaseModel):
+    """ """
+
+    model_config = pydantic.ConfigDict(extra="forbid")
+
+    font_size: Literal["10pt", "11pt", "12pt"] = pydantic.Field(
+        default="10pt",
+        title="Font Size",
+        description="The font size of the CV. The default value is 10pt.",
+    )
+    page_size: Literal["a4paper", "letterpaper"] = pydantic.Field(
+        default="letterpaper",
+        title="Page Size",
+        description=(
+            "The page size of the CV. It can be a4paper or letterpaper. The default"
+            " value is letterpaper."
+        ),
+    )
+    color: pydantic_color.Color = pydantic.Field(
+        default="rgb(0,79,144)",
+        validate_default=True,
+        title="Primary Color",
+        description=(
+            "The primary color of the theme. \nThe color can be specified either with"
+            " their [name](https://www.w3.org/TR/SVG11/types.html#ColorKeywords),"
+            " hexadecimal value, RGB value, or HSL value. The default value is"
+            " rgb(0,79,144)."
+        ),
+        examples=["Black", "7fffd4", "rgb(0,79,144)", "hsl(270, 60%, 70%)"],
+    )
+    disable_page_numbering: bool = pydantic.Field(
+        default=False,
+        title="Disable Page Numbering",
+        description=(
+            "If this option is set to true, then the page numbering will be disabled."
+            " The default value is false."
+        ),
+    )
+    page_numbering_style: str = pydantic.Field(
+        default="NAME -- Page PAGE_NUMBER of TOTAL_PAGES",
+        title="Page Numbering Style",
+        description=(
+            "The style of the page numbering. The following placeholders can be used:"
+            "\n- NAME: The name of the person\n- PAGE_NUMBER: The current page number"
+            "\n- TOTAL_PAGES: The total number of pages\nThe default value is"
+            " NAME -- Page PAGE_NUMBER of TOTAL_PAGES."
+        ),
+    )
+    show_last_updated_date: bool = pydantic.Field(
+        default=True,
+        title="Show Last Updated Date",
+        description=(
+            "If this option is set to true, then the last updated date will be shown"
+            " in the header. The default value is true."
+        ),
+    )
+    header_font_size: LaTeXDimension = pydantic.Field(
+        default="30 pt",
+        title="Header Font Size",
+        description=(
+            "The font size of the header (the name of the person). The default value is"
+            " 30 pt."
+        ),
+    )
+    margins: Margins = pydantic.Field(
+        default=Margins(),
+        title="Margins",
+        description="Page, section title, entry field, and highlights field margins.",
+    )
diff --git a/rendercv/themes/classic/__init__.py b/rendercv/themes/classic/__init__.py
index a2d3262..23e0269 100644
--- a/rendercv/themes/classic/__init__.py
+++ b/rendercv/themes/classic/__init__.py
@@ -1,179 +1,26 @@
-from typing import Literal, Annotated
+from typing import Literal
 
 import pydantic
-import pydantic_extra_types.color as pydantic_color
 
-from .. import LaTeXDimension
-from .. import PageMargins
+from .. import ThemeOptions
 
 
-class ClassicThemeSectionTitleMargins(pydantic.BaseModel):
-    top: LaTeXDimension = pydantic.Field(
-        default="0.2 cm",
-        title="Top Margin",
-        description="The top margin of section titles.",
-    )
-    bottom: LaTeXDimension = pydantic.Field(
-        default="0.2 cm",
-        title="Bottom Margin",
-        description="The bottom margin of section titles.",
-    )
-
-
-class ClassicThemeEntryAreaMargins(pydantic.BaseModel):
-    left_and_right: LaTeXDimension = pydantic.Field(
-        default="0.2 cm",
-        title="Left Margin",
-        description="The left margin of entry areas.",
-    )
-
-    vertical_between: LaTeXDimension = pydantic.Field(
-        default="0.12 cm",
-        title="Vertical Margin Between Entry Areas",
-        description="The vertical margin between entry areas.",
-    )
-
-
-class ClassicThemeHighlightsAreaMargins(pydantic.BaseModel):
-    top: LaTeXDimension = pydantic.Field(
-        default="0.10 cm",
-        title="Top Margin",
-        description="The top margin of highlights areas.",
-    )
-    left: LaTeXDimension = pydantic.Field(
-        default="0.4 cm",
-        title="Left Margin",
-        description="The left margin of highlights areas.",
-    )
-    vertical_between_bullet_points: LaTeXDimension = pydantic.Field(
-        default="0.10 cm",
-        title="Vertical Margin Between Bullet Points",
-        description="The vertical margin between bullet points.",
-    )
-
-
-class ClassicThemeHeaderMargins(pydantic.BaseModel):
-    vertical_between_name_and_connections: LaTeXDimension = pydantic.Field(
-        default="0.2 cm",
-        title="Vertical Margin Between the Name and Connections",
-        description=(
-            "The vertical margin between the name of the person and the connections."
-        ),
-    )
-    bottom: LaTeXDimension = pydantic.Field(
-        default="0.2 cm",
-        title="Bottom Margin",
-        description=(
-            "The bottom margin of the header, i.e., the vertical margin between the"
-            " connections and the first section title."
-        ),
-    )
-
-
-class ClassicThemeMargins(pydantic.BaseModel):
-    page: PageMargins = pydantic.Field(
-        default=PageMargins(),
-        title="Page Margins",
-        description="Page margins for the classic theme.",
-    )
-    section_title: ClassicThemeSectionTitleMargins = pydantic.Field(
-        default=ClassicThemeSectionTitleMargins(),
-        title="Section Title Margins",
-        description="Section title margins for the classic theme.",
-    )
-    entry_area: ClassicThemeEntryAreaMargins = pydantic.Field(
-        default=ClassicThemeEntryAreaMargins(),
-        title="Entry Area Margins",
-        description="Entry area margins for the classic theme.",
-    )
-    highlights_area: ClassicThemeHighlightsAreaMargins = pydantic.Field(
-        default=ClassicThemeHighlightsAreaMargins(),
-        title="Highlights Area Margins",
-        description="Highlights area margins for the classic theme.",
-    )
-    header: ClassicThemeHeaderMargins = pydantic.Field(
-        default=ClassicThemeHeaderMargins(),
-        title="Header Margins",
-        description="Header margins for the classic theme.",
-    )
-
-
-class ClassicThemeOptions(pydantic.BaseModel):
+class ClassicThemeOptions(ThemeOptions):
     """ """
 
-    model_config = pydantic.ConfigDict(extra="forbid")
-
     theme: Literal["classic"]
 
-    font_size: Literal["10pt", "11pt", "12pt"] = pydantic.Field(
-        default="10pt",
-        title="Font Size",
-        description="The font size of the CV. It can be 10pt, 11pt, or 12pt.",
-    )
-    page_size: Literal["a4paper", "letterpaper"] = pydantic.Field(
-        default="a4paper",
-        title="Page Size",
-        description="The page size of the CV. It can be a4paper or letterpaper.",
-    )
-    color: pydantic_color.Color = pydantic.Field(
-        default="rgb(0,79,144)",
-        validate_default=True,
-        title="Primary Color",
-        description=(
-            "The primary color of Classic Theme. It is used for the section titles,"
-            " heading, and the links.\nThe color can be specified either with their"
-            " [name](https://www.w3.org/TR/SVG11/types.html#ColorKeywords), hexadecimal"
-            " value, RGB value, or HSL value."
-        ),
-        examples=["Black", "7fffd4", "rgb(0,79,144)", "hsl(270, 60%, 70%)"],
-    )
-    disable_page_numbering: bool = pydantic.Field(
-        default=False,
-        title="Disable Page Numbering",
-        description=(
-            "If this option is set to true, then the page numbering will be disabled."
-        ),
-    )
-    date_and_location_width: LaTeXDimension = pydantic.Field(
-        default="4.1 cm",
-        title="Date and Location Column Width",
-        description="The width of the date and location column.",
-    )
-    space_between_connection_objects: LaTeXDimension = pydantic.Field(
-        default="0.5 cm",
-        title="Space Between Connection Objects",
-        description=(
-            "The space between the connection objects (like phone, email, and website)."
-        ),
-    )
     text_alignment: Literal["left-aligned", "justified"] = pydantic.Field(
-        default="left-aligned",
+        default="justified",
         title="Text Alignment",
-        description="The alignment of the text.",
+        description="The alignment of the text. The default value is justified.",
     )
     show_timespan_in: list[str] = pydantic.Field(
         default=[],
         title="Show Time Span in These Sections",
         description=(
             "The time span will be shown in the date and location column in these"
-            " sections. The input should be a list of strings."
+            " sections. The input should be a list of section titles as strings"
+            " (case-sensitive)."
         ),
     )
-    show_last_updated_date: bool = pydantic.Field(
-        default=True,
-        title="Show Last Updated Date",
-        description=(
-            "If this option is set to true, then the last updated date will be shown"
-            " in the header."
-        ),
-    )
-    header_font_size: LaTeXDimension = pydantic.Field(
-        default="30 pt",
-        title="Header Font Size",
-        description="The font size of the header (the name of the person).",
-    )
-    margins: ClassicThemeMargins = pydantic.Field(
-        default=ClassicThemeMargins(),
-        title="Margins",
-        description="Page, section title, entry field, and highlights field margins.",
-    )
diff --git a/rendercv/themes/sb2nov/__init__.py b/rendercv/themes/sb2nov/__init__.py
index d59753e..f868735 100644
--- a/rendercv/themes/sb2nov/__init__.py
+++ b/rendercv/themes/sb2nov/__init__.py
@@ -2,78 +2,20 @@ from typing import Literal
 
 import pydantic
 
-from .. import LaTeXDimension, PageMargins
+from .. import ThemeOptions, LaTeXDimension
 
 
-class Sb2novThemeOptions(pydantic.BaseModel):
+class Sb2novThemeOptions(ThemeOptions):
     """ """
 
-    model_config = pydantic.ConfigDict(extra="forbid")
-
     theme: Literal["sb2nov"]
 
-    font_size: Literal["10pt", "11pt", "12pt"] = pydantic.Field(
-        default="10pt",
-        title="Font Size",
-        description="The font size of the CV. It can be 10pt, 11pt, or 12pt.",
-    )
-    page_size: Literal["a4paper", "letterpaper"] = pydantic.Field(
-        default="a4paper",
-        title="Page Size",
-        description="The page size of the CV. It can be a4paper or letterpaper.",
-    )
-
-    link_color: (
-        Literal["black"]
-        | Literal["red"]
-        | Literal["green"]
-        | Literal["blue"]
-        | Literal["cyan"]
-        | Literal["magenta"]
-        | Literal["yellow"]
-    ) = pydantic.Field(
-        default="cyan",
-        validate_default=True,
-        title="Link Color",
-        description="The color of the links in the CV.",
-        examples=[
-            "black",
-            "red",
-            "green",
-            "blue",
-            "cyan",
-            "magenta",
-            "yellow",
-        ],
-    )
-
-    date_and_location_width: LaTeXDimension = pydantic.Field(
-        default="4.1 cm",
-        title="Date and Location Column Width",
-        description="The width of the date and location column.",
-    )
-    space_between_connection_objects: LaTeXDimension = pydantic.Field(
-        default="0.5 cm",
-        title="Space Between Connection Objects",
-        description=(
-            "The space between the connection objects (like phone, email, and website)."
-        ),
-    )
-    show_last_updated_date: bool = pydantic.Field(
-        default=True,
-        title="Show Last Updated Date",
-        description=(
-            "If this option is set to true, then the last updated date will be shown"
-            " in the header."
-        ),
-    )
     header_font_size: LaTeXDimension = pydantic.Field(
-        default="30 pt",
+        default="24 pt",
         title="Header Font Size",
-        description="The font size of the header (the name of the person).",
-    )
-    margins: PageMargins = pydantic.Field(
-        default=PageMargins(),
-        title="Margins",
-        description="The page margins of the CV.",
+        description=(
+            "The font size of the header (the name of the person). The default value is"
+            " 24 pt. Unfortunately, sb2nov does not support font sizes bigger than"
+            " 24 pt."
+        ),
     )