diff --git a/assets/css/style.css b/assets/css/style.css
index 1a91953..a1038c2 100644
--- a/assets/css/style.css
+++ b/assets/css/style.css
@@ -1,62 +1,70 @@
-:root {
-  /* Use a shade of the c3cat logos pink, which works nicely as a link color. */
-  --accent-color-light: #DC049B;
-  /* A modified version of accent-color-light, which works nicely as a link color
-   * and with the dark theme */
-  --accent-color-dark: #dc49b0;
-}
+@layer base, per-site;
 
-body {
-  font-family: system-ui,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,Helvetica,Arial,"Helvetica Neue",sans-serif;
-
-  text-align: left;
-
-  /* Use dark grey instead of black to be lighter on the eyes. But also a grey
-   * which still works with the link color nicely. */
-  background-color: #ffffff;
-  color: #2B2B2B;
-
-  @media (prefers-color-scheme: dark) {
-    /* Colors for dark theme, which have enough contrast, but also aren't too harsh on the eyes. */
-    /* See: https://seirdy.one/posts/2020/11/23/website-best-practices/#dark-themes */
-    background-color: #1b1b1b;
-    color: #ebebeb;
+@layer base {
+  :root {
+    /* Use a shade of the c3cat logos pink, which works nicely as a link color. */
+    --accent-color-light: #DC049B;
+    /* A modified version of accent-color-light, which works nicely as a link color
+     * and with the dark theme */
+    --accent-color-dark: #dc49b0;
   }
-}
 
-.container {
-  max-width: 600px;
-  margin: 0 auto;
-  padding: 0 5px;
-}
+  body {
+    font-family: system-ui,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,Helvetica,Arial,"Helvetica Neue",sans-serif;
 
-footer {
-  margin-top: 4rem;
-}
+    text-align: left;
 
-img {
-  width: 100%;
-}
+    /* Use dark grey instead of black to be lighter on the eyes. But also a grey
+     * which still works with the link color nicely. */
+    --bg-color: #ffffff;
+    --fg-color: #2b2b2b;
+    --accent-color: var(--accent-color-light);
+    background-color: var(--bg-color);
+    color: var(--fg-color);
 
-
-a:link, a:visited {
-  color: var(--accent-color-light);
-  @media (prefers-color-scheme: dark) {
-    color: var(--accent-color-dark);
+    @media (prefers-color-scheme: dark) {
+      /* Colors for dark theme, which have enough contrast, but also aren't too harsh on the eyes. */
+      /* See: https://seirdy.one/posts/2020/11/23/website-best-practices/#dark-themes */
+      --bg-color: #1b1b1b;
+      --fg-color: #ebebeb;
+      --accent-color: var(--accent-color-dark);
+    }
   }
-}
 
+  .container {
+    max-width: 600px;
+    margin: 0 auto;
+    padding: 0 5px;
+  }
 
-.title {
-  text-align: center;
-}
+  footer {
+    margin-top: 4rem;
+  }
 
-.hero-img {
-  max-width: 500px;
-  display: block;
-  margin: 0 auto;
-}
+  img {
+    width: 100%;
+  }
+
+  a:link, a:visited {
+    color: var(--accent-color);
+  }
+
+  u {
+    text-decoration-color: var(--accent-color);
+  }
+
+  .title {
+    text-align: center;
+  }
+
+  .hero-img {
+    max-width: 500px;
+    display: block;
+    margin: 0 auto;
+  }
+
+  p.bigger {
+    font-size: 1.2rem;
+  }
 
-p.bigger {
-  font-size: 1.2rem;
 }