diff --git a/scripts/utils/theme/theme.py b/scripts/utils/theme/theme.py
index 8cac48a..e0489f8 100644
--- a/scripts/utils/theme/theme.py
+++ b/scripts/utils/theme/theme.py
@@ -68,6 +68,14 @@ class Theme(ThemeBase):
         self._preparation.add_to_start(content)
         return self
 
+    def add_from_file(self, content) -> "Theme":
+        """
+        Adds content from a file to the main styles file.
+        :param content: The path of the file to add.
+        """
+        self._preparation.add_from_file(content)
+        return self
+
     def prepare(self):
         """Extract theme from source folder and prepare it for installation."""
         self._preparation.prepare()
diff --git a/scripts/utils/theme/theme_preparation.py b/scripts/utils/theme/theme_preparation.py
index c36a12a..1bb2b9f 100644
--- a/scripts/utils/theme/theme_preparation.py
+++ b/scripts/utils/theme/theme_preparation.py
@@ -40,6 +40,15 @@ class ThemePreparation:
         self.style_manager.prepend_content(content)
         return self
 
+    def add_from_file(self, content) -> "ThemePreparation":
+        """
+        Adds content from a file to the main styles file.
+        :param content: The path of the file to add.
+        """
+        with open(content, "r") as f:
+            self.style_manager.append_content(f.read())
+        return self
+
     def prepare(self):
         """
         Extract theme from source folder and prepare it for installation.
diff --git a/theme/gnome-shell/.css/panel.css b/theme/gnome-shell/.css/panel.css
index 43b478b..d220176 100644
--- a/theme/gnome-shell/.css/panel.css
+++ b/theme/gnome-shell/.css/panel.css
@@ -31,9 +31,9 @@
 .panel-button .clock { /* DND / new messages icon */
 	color: TEXT-PRIMARY-COLOR;
 	border-radius: 9px;
-	border-width: 0 !important;
+	border: 1px solid PANEL-BUTTON-BORDER !important;
 	background-color: ACCENT-DISABLED-COLOR;
-	box-shadow: inset 0 0 0 1px BORDER-SHADOW;
+	box-shadow: none;
 }
 
 .panel-button:hover,
@@ -87,7 +87,8 @@
 /* panel clock fix. remove additional background */
 .clock-display { 
 	background-color: transparent !important;
-	box-shadow: none !important;
+	box-shadow: none;
+	border: none !important;
 }
 
 /* additional background for DND / new messages icon */
diff --git a/tweaks/overview/tweak.py b/tweaks/overview/tweak.py
index ad4ba0d..22d85d7 100755
--- a/tweaks/overview/tweak.py
+++ b/tweaks/overview/tweak.py
@@ -1,4 +1,6 @@
 from scripts import config
+from scripts.utils.theme.theme import Theme
+
 overview_folder = f"{config.tweaks_folder}/overview"
 
 
@@ -7,9 +9,7 @@ def define_arguments(parser):
     overview_args.add_argument('--launchpad', action='store_true', help='change Show Apps icon to macOS Launchpad icon')
 
 
-def apply_tweak(args, theme, colors):
+def apply_tweak(args, theme: Theme, colors):
     if args.launchpad:
-        with open(f"{overview_folder}/launchpad/launchpad.css", "r") as f:
-            theme += f.read()
-
+        theme.add_from_file(f"{overview_folder}/launchpad/launchpad.css")
         theme *= f"{overview_folder}/launchpad/launchpad.png"
diff --git a/tweaks/panel/def-size.css b/tweaks/panel/def-size.css
index 256785d..0526c0b 100644
--- a/tweaks/panel/def-size.css
+++ b/tweaks/panel/def-size.css
@@ -2,13 +2,16 @@
 
 #panel {
   height: 2.2em;
-  font-size: 15px;
+  font-size: 1em;
+}
+
+.panel-button {
+  margin: 3px 2px;
 }
 
 .panel-button,
 .panel-button .clock {
-  border-radius: 12px;
-  border: 3px solid transparent !important;
+  border-radius: 8px;
 }
 
 .panel-button { -natural-hpadding: 10px !important; } 
diff --git a/tweaks/panel/grouped-buttons.css b/tweaks/panel/grouped-buttons.css
index ce6c152..d342a54 100644
--- a/tweaks/panel/grouped-buttons.css
+++ b/tweaks/panel/grouped-buttons.css
@@ -2,8 +2,6 @@
     border-radius: 0;
     margin-left: 0;
     margin-right: 0;
-    box-shadow: none;
-    border: 1px solid PANEL-BUTTON-BORDER !important;
     border-left-width: 0 !important;
 }
 
@@ -11,14 +9,12 @@
     border-radius: 9px;
     margin-left: 3px;
     margin-right: 3px;
-    box-shadow: none;
-    border: 1px solid PANEL-BUTTON-BORDER !important;
 }
 
 #panelLeft > StBin:first-child > .panel-button,
 #panelRight > StBin:first-child > .panel-button {
     border-radius: 9px 0 0 9px;
-    border: 1px solid PANEL-BUTTON-BORDER !important;
+    border-left-width: 1px !important;
     margin-left: 3px;
 }
 
@@ -31,7 +27,7 @@
 #panelLeft > StBin:first-child:last-child > .panel-button,
 #panelRight > StBin:first-child:last-child > .panel-button {
     border-radius: 9px;
-    border: 1px solid PANEL-BUTTON-BORDER !important;
+    border-left-width: 1px !important;
     margin-left: 3px;
     margin-right: 3px;
 }
diff --git a/tweaks/panel/no-pill.css b/tweaks/panel/no-pill.css
index 81d5ceb..c8b6b0b 100644
--- a/tweaks/panel/no-pill.css
+++ b/tweaks/panel/no-pill.css
@@ -5,8 +5,8 @@
 	background-color: transparent;
 	box-shadow: none;
 	margin: 0;
-	border: 4px solid transparent !important;
-	border-radius: 12px;
+	border: 3px solid transparent !important;
+	border-radius: 10px;
 }
 
 .panel-button:hover,
diff --git a/tweaks/panel/tweak.py b/tweaks/panel/tweak.py
index 048399b..a32af4f 100755
--- a/tweaks/panel/tweak.py
+++ b/tweaks/panel/tweak.py
@@ -1,5 +1,6 @@
 from scripts import config
 from scripts.utils.color_converter.color_converter_impl import ColorConverterImpl
+from scripts.utils.theme.theme import Theme
 
 panel_folder = f"{config.tweaks_folder}/panel"
 
@@ -13,18 +14,15 @@ def define_arguments(parser):
     panel_args.add_argument('--panel-grouped-buttons', action='store_true', help='group panel buttons together')
 
 
-def apply_tweak(args, theme, colors):
-    if args.panel_no_pill:
-        with open(f"{panel_folder}/no-pill.css", "r") as f:
-            theme += f.read()
-
+def apply_tweak(args, theme: Theme, colors):
     if args.panel_default_size:
-        with open(f"{panel_folder}/def-size.css", "r") as f:
-            theme += f.read()
+        theme.add_from_file(f"{panel_folder}/def-size.css")
+
+    if args.panel_no_pill:
+        theme.add_from_file(f"{panel_folder}/no-pill.css")
 
     if args.wider_panel:
-        with open(f"{panel_folder}/wider-panel.css", "r") as f:
-            theme += f.read()
+        theme.add_from_file(f"{panel_folder}/wider-panel.css")
 
     if args.panel_text_color:
         theme += ".panel-button,\
@@ -34,5 +32,4 @@ def apply_tweak(args, theme, colors):
                     }"
 
     if args.panel_grouped_buttons:
-        with open(f"{panel_folder}/grouped-buttons.css", "r") as f:
-            theme += f.read()
\ No newline at end of file
+        theme.add_from_file(f"{panel_folder}/grouped-buttons.css")
\ No newline at end of file