diff --git a/scripts/gdm.py b/scripts/gdm.py
index 78120f0..ea4fa3e 100644
--- a/scripts/gdm.py
+++ b/scripts/gdm.py
@@ -3,7 +3,7 @@ import subprocess
 import shutil
 
 from .theme import Theme
-from .utils import label_files
+from .utils import label_files, remove_properties, remove_keywords
 from . import config
 
 
@@ -29,6 +29,8 @@ class GlobalTheme:
         self.backup_trigger = "\n/* Marble theme */\n"  # trigger to check if theme is installed
         self.extracted_theme = f"{self.temp_folder}/{config.extracted_gdm_folder}"
         self.gst = f"{self.destination_folder}/{self.destination_file}"  # use backup file if theme is installed
+        self.extracted_light_theme = f"{self.extracted_theme}/gnome-shell-light.css"
+        self.extracted_dark_theme = f"{self.extracted_theme}/gnome-shell-dark.css"
 
         os.makedirs(self.temp_folder, exist_ok=True)  # create temp folder
 
@@ -103,6 +105,15 @@ class GlobalTheme:
         # add -light label to light theme files because they are installed to the same folder
         label_files(self.light_theme.temp_folder, "light", self.light_theme.main_styles)
 
+        # remove !important from the gnome file
+        remove_keywords(self.extracted_light_theme, "!important")
+        remove_keywords(self.extracted_dark_theme, "!important")
+
+        # remove properties from the gnome file
+        props_to_remove = ("background-color", "color", "box-shadow", "border-radius")
+        remove_properties(self.extracted_light_theme, *props_to_remove)
+        remove_properties(self.extracted_dark_theme, *props_to_remove)
+
         # add gnome styles to the start of the file
         self.__add_gnome_styles(self.light_theme)
         self.__add_gnome_styles(self.dark_theme)
diff --git a/scripts/utils.py b/scripts/utils.py
index 8dca4f1..3f7fbf9 100644
--- a/scripts/utils.py
+++ b/scripts/utils.py
@@ -181,3 +181,43 @@ def label_files(directory, label, *args):
         file.seek(0)
         file.write(read_files[i])
         file.close()
+
+
+def remove_properties(file, *args):
+    """
+    Remove properties from a file
+    :param file: file name
+    :param args: properties to remove
+    """
+
+    new_content = ""
+
+    with open(file, "r+") as read_file:
+        content = read_file.read()
+
+        for line in content.splitlines():
+            if not any(prop in line for prop in args):
+                new_content += line + "\n"
+            elif "}" in line:
+                new_content += "}\n"
+
+        read_file.seek(0)
+        read_file.write(new_content)
+
+
+def remove_keywords(file, *args):
+    """
+    Remove keywords from a file
+    :param file: file name
+    :param args: keywords to remove
+    """
+
+    with open(file, "r+") as read_file:
+        content = read_file.read()
+
+        for arg in args:
+            content = content.replace(arg, "")
+
+        read_file.seek(0)
+        read_file.write(content)
+        
\ No newline at end of file