diff --git a/source/scss/components/_search-bar.scss b/source/scss/components/_search-bar.scss
index 1597a1d..1dc3eaf 100644
--- a/source/scss/components/_search-bar.scss
+++ b/source/scss/components/_search-bar.scss
@@ -3,14 +3,14 @@
 
   input[type='text'] {
     background-color: var(--background-2);
-    border: 1px solid var(--foreground-1);
+    border: var(--border-size) solid var(--foreground-1);
     color: inherit;
     padding: 0.5rem;
     width: 100%;
   }
 
   ul {
-    border: 1px solid var(--foreground-1);
+    border: var(--border-size) solid var(--foreground-1);
     border-top: none;
     list-style: none;
     margin: 0;
diff --git a/source/scss/pages/_home.scss b/source/scss/pages/_home.scss
index 745916a..7bb886e 100644
--- a/source/scss/pages/_home.scss
+++ b/source/scss/pages/_home.scss
@@ -9,7 +9,7 @@
 
   .explainer {
     background-color: var(--background-2);
-    border: 1px solid var(--foreground-2);
+    border: var(--border-size) solid var(--foreground-2);
     margin-top: 1rem;
     max-width: 70rem;
     padding: 1rem;
diff --git a/source/scss/pages/_release.scss b/source/scss/pages/_release.scss
index 8487359..0ce5e61 100644
--- a/source/scss/pages/_release.scss
+++ b/source/scss/pages/_release.scss
@@ -1,6 +1,6 @@
 .release {
   background-color: var(--background-2);
-  border: 1px solid var(--foreground-2);
+  border: var(--border-size) solid var(--foreground-2);
   margin: 2rem auto;
   max-width: 40rem;
 }
@@ -39,7 +39,7 @@
   }
 
   .divider {
-    border-top: 2px solid var(--background-1);
+    border-top: var(--border-size) solid var(--background-1);
   }
 }
 
diff --git a/source/scss/pages/_settings.scss b/source/scss/pages/_settings.scss
index 8de9690..fc19f93 100644
--- a/source/scss/pages/_settings.scss
+++ b/source/scss/pages/_settings.scss
@@ -3,7 +3,7 @@
 
   .setting {
     background-color: var(--background-2);
-    border: 1px solid var(--foreground-2);
+    border: var(--border-size) solid var(--foreground-2);
     margin-top: 1rem;
     max-width: 70rem;
     padding: 1rem;
diff --git a/source/scss/themes/_dracula.scss b/source/scss/themes/_dracula.scss
index 5d3461f..0b3d398 100644
--- a/source/scss/themes/_dracula.scss
+++ b/source/scss/themes/_dracula.scss
@@ -1,5 +1,6 @@
 .dracula {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #f8f8f2;
   --foreground-2: #f8f8f2;
   --background-1: #282a36;
diff --git a/source/scss/themes/_high-contrast.scss b/source/scss/themes/_high-contrast.scss
index 45a6ec3..3ccd91e 100644
--- a/source/scss/themes/_high-contrast.scss
+++ b/source/scss/themes/_high-contrast.scss
@@ -1,5 +1,6 @@
 .high-contrast-black {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #fff;
   --foreground-2: #ddd;
   --background-1: #000;
@@ -8,6 +9,7 @@
 
 .high-contrast-white {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #000;
   --foreground-2: #222;
   --background-1: #fff;
diff --git a/source/scss/themes/_love.scss b/source/scss/themes/_love.scss
index 1f8bc8d..13dee3a 100644
--- a/source/scss/themes/_love.scss
+++ b/source/scss/themes/_love.scss
@@ -1,5 +1,6 @@
 .love-dark {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #f2efff;
   --foreground-2: #e6deff;
   --background-1: #1f1731;
@@ -8,6 +9,7 @@
 
 .love-light {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #1f1731;
   --foreground-2: #2a2041;
   --background-1: #f2efff;
diff --git a/source/scss/themes/_monokai.scss b/source/scss/themes/_monokai.scss
index b13d579..884a356 100644
--- a/source/scss/themes/_monokai.scss
+++ b/source/scss/themes/_monokai.scss
@@ -2,6 +2,7 @@
 
 .monokai {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #d6d6d6;
   --foreground-2: #d6d6d6;
   --background-1: #{color.scale(#2e2e2e, $lightness: -25%)};
diff --git a/source/scss/themes/_solarized.scss b/source/scss/themes/_solarized.scss
index 0674d4b..e2e762e 100644
--- a/source/scss/themes/_solarized.scss
+++ b/source/scss/themes/_solarized.scss
@@ -1,5 +1,6 @@
 .solarized-dark {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #839496;
   --foreground-2: #93a1a1;
   --background-1: #002b36;
@@ -8,6 +9,7 @@
 
 .solarized-light {
   --border-radius: 8px;
+  --border-size: 2px;
   --foreground-1: #657b83;
   --foreground-2: #586e75;
   --background-1: #fdf6e3;