diff --git a/src/Themes/Css/andromeeda.css b/src/Themes/Css/andromeeda.css
index e471b01..e5896bd 100644
--- a/src/Themes/Css/andromeeda.css
+++ b/src/Themes/Css/andromeeda.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/aurora-x.css b/src/Themes/Css/aurora-x.css
index 6973826..2f8db4a 100644
--- a/src/Themes/Css/aurora-x.css
+++ b/src/Themes/Css/aurora-x.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/ayu-dark.css b/src/Themes/Css/ayu-dark.css
index 8411bbf..594df88 100644
--- a/src/Themes/Css/ayu-dark.css
+++ b/src/Themes/Css/ayu-dark.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/catppuccin-frappe.css b/src/Themes/Css/catppuccin-frappe.css
index a986870..a54a542 100644
--- a/src/Themes/Css/catppuccin-frappe.css
+++ b/src/Themes/Css/catppuccin-frappe.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/catppuccin-latte.css b/src/Themes/Css/catppuccin-latte.css
index a8d0f25..d7596ec 100644
--- a/src/Themes/Css/catppuccin-latte.css
+++ b/src/Themes/Css/catppuccin-latte.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/catppuccin-macchiato.css b/src/Themes/Css/catppuccin-macchiato.css
index 97fc68e..0c6c0d6 100644
--- a/src/Themes/Css/catppuccin-macchiato.css
+++ b/src/Themes/Css/catppuccin-macchiato.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/catppuccin-mocha.css b/src/Themes/Css/catppuccin-mocha.css
index bf4994b..047f3ae 100644
--- a/src/Themes/Css/catppuccin-mocha.css
+++ b/src/Themes/Css/catppuccin-mocha.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/dark-plus.css b/src/Themes/Css/dark-plus.css
index 545fd33..d90679c 100644
--- a/src/Themes/Css/dark-plus.css
+++ b/src/Themes/Css/dark-plus.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/dracula-soft.css b/src/Themes/Css/dracula-soft.css
index 881bcb2..7faac0d 100644
--- a/src/Themes/Css/dracula-soft.css
+++ b/src/Themes/Css/dracula-soft.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/dracula.css b/src/Themes/Css/dracula.css
index 7c07543..8b5d9d4 100644
--- a/src/Themes/Css/dracula.css
+++ b/src/Themes/Css/dracula.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/github-dark-default.css b/src/Themes/Css/github-dark-default.css
index a91c51a..35f9a2d 100644
--- a/src/Themes/Css/github-dark-default.css
+++ b/src/Themes/Css/github-dark-default.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/github-dark-dimmed.css b/src/Themes/Css/github-dark-dimmed.css
index f79ed3e..462dd78 100644
--- a/src/Themes/Css/github-dark-dimmed.css
+++ b/src/Themes/Css/github-dark-dimmed.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/github-dark.css b/src/Themes/Css/github-dark.css
index 6e3c9e8..9f8d8d2 100644
--- a/src/Themes/Css/github-dark.css
+++ b/src/Themes/Css/github-dark.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/github-light-default.css b/src/Themes/Css/github-light-default.css
index 34eb6c9..54a979d 100644
--- a/src/Themes/Css/github-light-default.css
+++ b/src/Themes/Css/github-light-default.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/github-light.css b/src/Themes/Css/github-light.css
index 9602d67..e8fe872 100644
--- a/src/Themes/Css/github-light.css
+++ b/src/Themes/Css/github-light.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/highlight-light-lite.css b/src/Themes/Css/highlight-light-lite.css
index 038b896..3fc9afc 100644
--- a/src/Themes/Css/highlight-light-lite.css
+++ b/src/Themes/Css/highlight-light-lite.css
@@ -62,6 +62,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/houston.css b/src/Themes/Css/houston.css
index 9850817..44a75bf 100644
--- a/src/Themes/Css/houston.css
+++ b/src/Themes/Css/houston.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/light-plus.css b/src/Themes/Css/light-plus.css
index 8e99ad9..310ac3a 100644
--- a/src/Themes/Css/light-plus.css
+++ b/src/Themes/Css/light-plus.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/material-theme-darker.css b/src/Themes/Css/material-theme-darker.css
index fec6270..2d67e08 100644
--- a/src/Themes/Css/material-theme-darker.css
+++ b/src/Themes/Css/material-theme-darker.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/material-theme-lighter.css b/src/Themes/Css/material-theme-lighter.css
index 5159fc2..ced0c96 100644
--- a/src/Themes/Css/material-theme-lighter.css
+++ b/src/Themes/Css/material-theme-lighter.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/material-theme-ocean.css b/src/Themes/Css/material-theme-ocean.css
index b7608a5..09c2b3d 100644
--- a/src/Themes/Css/material-theme-ocean.css
+++ b/src/Themes/Css/material-theme-ocean.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/material-theme-palenight.css b/src/Themes/Css/material-theme-palenight.css
index 33123ba..aa75788 100644
--- a/src/Themes/Css/material-theme-palenight.css
+++ b/src/Themes/Css/material-theme-palenight.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/material-theme.css b/src/Themes/Css/material-theme.css
index 9a58ebf..0b7fe22 100644
--- a/src/Themes/Css/material-theme.css
+++ b/src/Themes/Css/material-theme.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/min-dark.css b/src/Themes/Css/min-dark.css
index e9e8088..22f554b 100644
--- a/src/Themes/Css/min-dark.css
+++ b/src/Themes/Css/min-dark.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/min-light.css b/src/Themes/Css/min-light.css
index a3dcdea..1ecafa5 100644
--- a/src/Themes/Css/min-light.css
+++ b/src/Themes/Css/min-light.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/monokai.css b/src/Themes/Css/monokai.css
index 7f4f587..0a68bde 100644
--- a/src/Themes/Css/monokai.css
+++ b/src/Themes/Css/monokai.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/night-owl.css b/src/Themes/Css/night-owl.css
index 1a77006..ee51d66 100644
--- a/src/Themes/Css/night-owl.css
+++ b/src/Themes/Css/night-owl.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/nord.css b/src/Themes/Css/nord.css
index ef0c8d7..923b9ae 100644
--- a/src/Themes/Css/nord.css
+++ b/src/Themes/Css/nord.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/one-dark-pro.css b/src/Themes/Css/one-dark-pro.css
index 4ee91d4..d21c3d4 100644
--- a/src/Themes/Css/one-dark-pro.css
+++ b/src/Themes/Css/one-dark-pro.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/poimandres.css b/src/Themes/Css/poimandres.css
index df12b04..9d2a2a1 100644
--- a/src/Themes/Css/poimandres.css
+++ b/src/Themes/Css/poimandres.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/red.css b/src/Themes/Css/red.css
index 5380090..8eb170d 100644
--- a/src/Themes/Css/red.css
+++ b/src/Themes/Css/red.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/rose-pine-dawn.css b/src/Themes/Css/rose-pine-dawn.css
index 7c3a098..15a062c 100644
--- a/src/Themes/Css/rose-pine-dawn.css
+++ b/src/Themes/Css/rose-pine-dawn.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/rose-pine-moon.css b/src/Themes/Css/rose-pine-moon.css
index d739652..0de545a 100644
--- a/src/Themes/Css/rose-pine-moon.css
+++ b/src/Themes/Css/rose-pine-moon.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/rose-pine.css b/src/Themes/Css/rose-pine.css
index 6ffd0cf..4dc794e 100644
--- a/src/Themes/Css/rose-pine.css
+++ b/src/Themes/Css/rose-pine.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/slack-dark.css b/src/Themes/Css/slack-dark.css
index ba98b0b..7013101 100644
--- a/src/Themes/Css/slack-dark.css
+++ b/src/Themes/Css/slack-dark.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/slack-ochin.css b/src/Themes/Css/slack-ochin.css
index c871945..cd6ca81 100644
--- a/src/Themes/Css/slack-ochin.css
+++ b/src/Themes/Css/slack-ochin.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/solarized-dark.css b/src/Themes/Css/solarized-dark.css
index 3a3f932..1116916 100644
--- a/src/Themes/Css/solarized-dark.css
+++ b/src/Themes/Css/solarized-dark.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/solarized-light.css b/src/Themes/Css/solarized-light.css
index e33a610..05e6b9f 100644
--- a/src/Themes/Css/solarized-light.css
+++ b/src/Themes/Css/solarized-light.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/synthwave-84.css b/src/Themes/Css/synthwave-84.css
index da244e4..3a25989 100644
--- a/src/Themes/Css/synthwave-84.css
+++ b/src/Themes/Css/synthwave-84.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/tokyo-night.css b/src/Themes/Css/tokyo-night.css
index e7367fb..a798856 100644
--- a/src/Themes/Css/tokyo-night.css
+++ b/src/Themes/Css/tokyo-night.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/vesper.css b/src/Themes/Css/vesper.css
index ae8d06f..a5738a2 100644
--- a/src/Themes/Css/vesper.css
+++ b/src/Themes/Css/vesper.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/vitesse-black.css b/src/Themes/Css/vitesse-black.css
index 27f0cfb..65a47fb 100644
--- a/src/Themes/Css/vitesse-black.css
+++ b/src/Themes/Css/vitesse-black.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/vitesse-dark.css b/src/Themes/Css/vitesse-dark.css
index 606a0d3..3adbeb5 100644
--- a/src/Themes/Css/vitesse-dark.css
+++ b/src/Themes/Css/vitesse-dark.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {
diff --git a/src/Themes/Css/vitesse-light.css b/src/Themes/Css/vitesse-light.css
index 08ae59b..b482e3a 100644
--- a/src/Themes/Css/vitesse-light.css
+++ b/src/Themes/Css/vitesse-light.css
@@ -64,6 +64,7 @@ pre, code {
     font-size: 0.9em;
     color: #555;
     padding: 0 1ch;
+    user-select: none;
 }
 
 .hl-gutter-addition {