diff --git a/themes/catppuccin-mocha.qss b/themes/catppuccin-mocha.qss
index 00ae173..bb45467 100644
--- a/themes/catppuccin-mocha.qss
+++ b/themes/catppuccin-mocha.qss
@@ -117,3 +117,12 @@ QTabBar::tab:selected {
     background: #45475a;
     color: #cba6f7;
 }
+
+QSpinBox::up-button, QSpinBox::down-button {
+    background: #313244;
+    border: 1px solid #45475a;
+    width: 16px;
+}
+QSpinBox::up-button:hover, QSpinBox::down-button:hover {
+    background: #45475a;
+}
diff --git a/themes/everforest.qss b/themes/everforest.qss
index aa0aba7..71b0a93 100644
--- a/themes/everforest.qss
+++ b/themes/everforest.qss
@@ -114,3 +114,12 @@ QTabBar::tab:selected {
     background: #4f585e;
     color: #a7c080;
 }
+
+QSpinBox::up-button, QSpinBox::down-button {
+    background: #343f44;
+    border: 1px solid #4f585e;
+    width: 16px;
+}
+QSpinBox::up-button:hover, QSpinBox::down-button:hover {
+    background: #4f585e;
+}
diff --git a/themes/gruvbox.qss b/themes/gruvbox.qss
index 6ad7576..483491c 100644
--- a/themes/gruvbox.qss
+++ b/themes/gruvbox.qss
@@ -114,3 +114,12 @@ QTabBar::tab:selected {
     background: #504945;
     color: #fe8019;
 }
+
+QSpinBox::up-button, QSpinBox::down-button {
+    background: #3c3836;
+    border: 1px solid #504945;
+    width: 16px;
+}
+QSpinBox::up-button:hover, QSpinBox::down-button:hover {
+    background: #504945;
+}
diff --git a/themes/nord.qss b/themes/nord.qss
index 6a9823c..fa3d2f7 100644
--- a/themes/nord.qss
+++ b/themes/nord.qss
@@ -117,3 +117,12 @@ QTabBar::tab:selected {
     color: #88c0d0;
     border-bottom-color: #88c0d0;
 }
+
+QSpinBox::up-button, QSpinBox::down-button {
+    background: #3b4252;
+    border: 1px solid #4c566a;
+    width: 16px;
+}
+QSpinBox::up-button:hover, QSpinBox::down-button:hover {
+    background: #434c5e;
+}
diff --git a/themes/solarized-dark.qss b/themes/solarized-dark.qss
index 2ba246a..3cdff77 100644
--- a/themes/solarized-dark.qss
+++ b/themes/solarized-dark.qss
@@ -114,3 +114,12 @@ QTabBar::tab:selected {
     background: #586e75;
     color: #fdf6e3;
 }
+
+QSpinBox::up-button, QSpinBox::down-button {
+    background: #073642;
+    border: 1px solid #586e75;
+    width: 16px;
+}
+QSpinBox::up-button:hover, QSpinBox::down-button:hover {
+    background: #586e75;
+}
diff --git a/themes/tokyo-night.qss b/themes/tokyo-night.qss
index 5ed7858..ed9e246 100644
--- a/themes/tokyo-night.qss
+++ b/themes/tokyo-night.qss
@@ -114,3 +114,12 @@ QTabBar::tab:selected {
     background: #3b4261;
     color: #7aa2f7;
 }
+
+QSpinBox::up-button, QSpinBox::down-button {
+    background: #24283b;
+    border: 1px solid #3b4261;
+    width: 16px;
+}
+QSpinBox::up-button:hover, QSpinBox::down-button:hover {
+    background: #3b4261;
+}