diff --git a/config.py b/config.py
index 7b0b010..aba5f2b 100644
--- a/config.py
+++ b/config.py
@@ -1,10 +1,38 @@
 import json
-from typing import Any
+import re
 
 class Config:
-    def __init__(self) -> None:
-        with open("config.json", "r") as f:
-            self.params = json.load(f)
+    DEFAULT_FONT_FAMILY = "Ubuntu Mono"
+    DEFAULT_FONT_SIZE = 16
+    ITALIC_FONT_FAMILY = "Ubuntu Mono"
+    ITALIC_FONT_SIZE = 14
+    BACKGROUND_COLOR = [255, 255, 255]
+    TEXT_COLOR = [0, 0, 0]
+    LINK_COLOR = [0, 0, 0]
+    BIT_I_COLOR = [0, 0, 0]
+    BORDER_COLOR = [0, 0, 0]
+    BIT_WIDTH = 30
+    BIT_HEIGHT = 30
+    DESCRIPTION_MARGIN = 10
+    DASH_LENGTH = 6
+    DASH_SPACE = 4
+    ARROW_SIZE = 10
+    MARGINS = [20, 20, 20, 20]
+    ARROW_MARGIN = 4
+    VALUES_GAP = 5
+    ARROW_LABEL_DISTANCE = 5
     
-    def get(self, param: str) -> Any:
-        return self.params[param]
\ No newline at end of file
+    def __init__(self, path: str = "config.json") -> None:
+        self.load(path)
+    
+    def load(self, path: str) -> None:
+        with open(path, "r") as f:
+            config = json.load(f)
+            
+            for k, v in config.items():
+                k = Config.formatKey(k)
+                if hasattr(Config, k):
+                    setattr(Config, k, v)
+
+    def formatKey(key: str) -> str:
+        return re.sub(r"([a-z])([A-Z])", r"\1_\2", key).upper()
\ No newline at end of file
diff --git a/renderer.py b/renderer.py
index ec94d5a..8f4c0aa 100644
--- a/renderer.py
+++ b/renderer.py
@@ -18,14 +18,14 @@ class Renderer:
         self.config = config
         pygame.init()
         self.win = pygame.display.set_mode([Renderer.WIDTH, Renderer.HEIGHT])
-        self.font = pygame.font.SysFont(self.config.get("defaultFontFamily"), self.config.get("defaultFontSize"))
-        self.italicFont = pygame.font.SysFont(self.config.get("italicFontFamily"), self.config.get("italicFontSize"), italic=True)
+        self.font = pygame.font.SysFont(self.config.DEFAULT_FONT_FAMILY, self.config.DEFAULT_FONT_SIZE)
+        self.italicFont = pygame.font.SysFont(self.config.ITALIC_FONT_FAMILY, self.config.ITALIC_FONT_SIZE, italic=True)
         
-        self.margins = self.config.get("margins")
+        self.margins = self.config.MARGINS
     
     def render(self, schema: InstructionSetSchema) -> None:
         
-        self.win.fill(self.config.get("backgroundColor"))
+        self.win.fill(self.config.BACKGROUND_COLOR)
         
         self.drawStructure(schema.structures["main"], schema.structures, self.margins[3], self.margins[0])
         
@@ -41,11 +41,11 @@ class Renderer:
                       ox: float = 0,
                       oy: float = 0) -> float:
         
-        bgCol = self.config.get("backgroundColor")
-        txtCol = self.config.get("textColor")
-        borderCol = self.config.get("borderColor")
-        bitW = self.config.get("bitWidth")
-        bitH = self.config.get("bitHeight")
+        bgCol = self.config.BACKGROUND_COLOR
+        txtCol = self.config.TEXT_COLOR
+        borderCol = self.config.BORDER_COLOR
+        bitW = self.config.BIT_WIDTH
+        bitH = self.config.BIT_HEIGHT
         
         bitsX, bitsY = ox, oy + bitH
         bitsWidth = struct.bits * bitW
@@ -95,15 +95,15 @@ class Renderer:
         return descY
     
     def drawUnderbracket(self, start: float, end: float, bitsY: float) -> None:
-        bitW = self.config.get("bitWidth")
-        bitH = self.config.get("bitHeight")
+        bitW = self.config.BIT_WIDTH
+        bitH = self.config.BIT_HEIGHT
         
         x0 = start + bitW/2
         x1 = end - bitW/2
         y0 = bitsY + bitH * 1.25
         y1 = bitsY + bitH * 1.5
         
-        pygame.draw.lines(self.win, self.config.get("linkColor"), False, [
+        pygame.draw.lines(self.win, self.config.LINK_COLOR, False, [
             [x0, y0],
             [x0, y1],
             [x1, y1],
@@ -111,10 +111,10 @@ class Renderer:
         ])
     
     def drawLink(self, startX: float, startY: float, endX: float, endY: float) -> None:
-        bitH = self.config.get("bitHeight")
-        arrowMargin = self.config.get("arrowMargin")
+        bitH = self.config.BIT_HEIGHT
+        arrowMargin = self.config.ARROW_MARGIN
         
-        pygame.draw.lines(self.win, self.config.get("linkColor"), False, [
+        pygame.draw.lines(self.win, self.config.LINK_COLOR, False, [
             [startX, startY + bitH*1.5],
             [startX, endY + bitH/2],
             [endX - arrowMargin, endY + bitH/2]
@@ -128,8 +128,8 @@ class Renderer:
                         descX: float,
                         descY: float) -> tuple[float, float]:
 
-        bitW = self.config.get("bitWidth")
-        bitH = self.config.get("bitHeight")
+        bitW = self.config.BIT_WIDTH
+        bitH = self.config.BIT_HEIGHT
         
         descX = max(descX, rStartX + rWidth/2 + bitW)
         
@@ -138,7 +138,7 @@ class Renderer:
         midX = rStartX + rWidth/2
         self.drawLink(midX, rStartY, descX, descY)
         
-        descTxt = self.font.render(range_.description, True, self.config.get("textColor"))
+        descTxt = self.font.render(range_.description, True, self.config.TEXT_COLOR)
         self.win.blit(descTxt, [descX, descY + (bitH - descTxt.get_height())/2])
         
         descY += descTxt.get_height()
@@ -146,14 +146,14 @@ class Renderer:
         if range_.values is not None and range_.dependsOn is None:
             descX, descY = self.drawValues(range_.values, descX, descY)
         
-        descY += self.config.get("descriptionMargin")
+        descY += self.config.DESCRIPTION_MARGIN
         
         return (descX, descY)
 
     def drawValues(self, values: dict[str, str], descX: float, descY: float) -> tuple[float, float]:
-        textCol = self.config.get("textColor")
-        bitW = self.config.get("bitWidth")
-        gap = self.config.get("valuesGap")
+        textCol = self.config.TEXT_COLOR
+        bitW = self.config.BIT_HEIGHT
+        gap = self.config.VALUES_GAP
         
         for val, desc in sorted(values.items(), key=lambda vd: vd[0]):
             descY += gap
@@ -173,9 +173,9 @@ class Renderer:
                        descX: float,
                        descY: float) -> tuple[float, float]:
         
-        bitW = self.config.get("bitWidth")
-        bitH = self.config.get("bitHeight")
-        arrowMargin = self.config.get("arrowMargin")
+        bitW = self.config.BIT_WIDTH
+        bitH = self.config.BIT_HEIGHT
+        arrowMargin = self.config.ARROW_MARGIN
         
         rStartI = struct.bits - range_.end - 1
         rStartX = bitsX + rStartI * bitW
@@ -226,12 +226,12 @@ class Renderer:
         return (descX, descY)
 
     def drawArrow(self, sx: float, sy: float, ex: float, ey: float, label: str = "") -> None:
-        dashLen = self.config.get("dashLength")
-        dashSpace = self.config.get("dashSpace")
-        arrowSize = self.config.get("arrowSize")
-        linkCol = self.config.get("linkColor")
-        textCol = self.config.get("textColor")
-        arrowLabelDist = self.config.get("arrowLabelDistance")
+        dashLen = self.config.DASH_LENGTH
+        dashSpace = self.config.DASH_SPACE
+        arrowSize = self.config.ARROW_SIZE
+        linkCol = self.config.LINK_COLOR
+        textCol = self.config.TEXT_COLOR
+        arrowLabelDist = self.config.ARROW_LABEL_DISTANCE
         
         start = Vec(sx, sy)
         end = Vec(ex, ey)
diff --git a/schema.py b/schema.py
index 916c254..2ccaa3e 100644
--- a/schema.py
+++ b/schema.py
@@ -5,8 +5,8 @@ from renderer import Renderer
 from structure import Structure
 
 class InstructionSetSchema:
-    def __init__(self, path: str) -> None:
-        self.config = Config()
+    def __init__(self, path: str, configPath: str = "config.json") -> None:
+        self.config = Config(configPath)
         self.path = path
         self.load()