diff --git a/changelog.txt b/changelog.txt
index 1e0d7f7..5e62cf2 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,10 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.15.7
+Date: 02. 11. 2023
+  Scripting:
+    - Added new styles: "ZO_nerd_action_button24", "ZO_nerd_action_button40"
+    - Updated /static-libs
+---------------------------------------------------------------------------------------------------
 Version: 0.15.6
 Date: 02. 11. 2023
   Scripting:
diff --git a/info.json b/info.json
index 99afe04..3b7c634 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "zk-lib",
-    "version": "0.15.6",
+    "version": "0.15.7",
     "factorio_version": "1.1",
     "title": "ZwerOxotnik's extendable mod with 8 addons",
     "author": "ZwerOxotnik",
diff --git a/prototypes/styles.lua b/prototypes/styles.lua
index b6d986c..8f7cb0a 100644
--- a/prototypes/styles.lua
+++ b/prototypes/styles.lua
@@ -41,3 +41,22 @@ styles.zk_dark_transparent_frame = {
 		shadow = default_glow(default_shadow_color, 0.5)
 	}
 }
+
+--- It looks a bit off
+styles.ZO_nerd_action_button24 = {
+	type   = "button_style",
+	parent = "frame_button",
+	size   = 24,
+	bottom_padding = -5,
+	default_font_color = {r=1, g=1, b=1},
+	left_click_sound   = {{ filename = "__core__/sound/gui-tool-button.ogg", volume = 1 }}
+}
+
+styles.ZO_nerd_action_button40 = {
+	type   = "button_style",
+	parent = "frame_button",
+	size   = 40,
+	bottom_padding = -10,
+	default_font_color = {r=1, g=1, b=1},
+	left_click_sound   = {{ filename = "__core__/sound/gui-tool-button.ogg", volume = 1 }}
+}
diff --git a/static-libs b/static-libs
index a8939d8..c437c9e 160000
--- a/static-libs
+++ b/static-libs
@@ -1 +1 @@
-Subproject commit a8939d8ea79ce456b62a46efc476f105687575d5
+Subproject commit c437c9ebeabe3c71a7474ec366b05b0891c2fe00