remove hugo code in .css files.

assets/css/dark.css

@@ -1,35 +1,75 @@
-/* dark.css */ 
---font-color: #dadadb;
---bg-color: #1d1e20;
+@media (prefers-color-scheme: dark) {
+    html {
+        --font-color: #dadadb;
+        --bg-color: #1d1e20;
 
---card-color: #2e2e33;
---card-border-color: #333333;
+        --card-color: #2e2e33;
+        --card-border-color: #333333;
 
---link-color:#599ada;
---link-state-color:#ff5858;
---link-state-border-color: rgba(238, 54, 54, 0.5);
+        --link-color: #599ada;
+        --link-state-color: #ff5858;
+        --link-state-border-color: rgba(238, 54, 54, 0.5);
 
---thead-bg-color: #343a40;
---table-border-color: lightgrey;
+        --thead-bg-color: #343a40;
+        --table-border-color: lightgrey;
 
---nav-bg-color: #2e2e33;
---nav-link-color: #b6b6b6;
+        --nav-bg-color: #2e2e33;
+        --nav-link-color: #b6b6b6;
 
---pre-color: #f8f8f2;
---pre-bg-color: rgba(175, 184, 193, 0.1);
---pre-border-color: rgba(175, 184, 193, 0.3);
+        --pre-color: #f8f8f2;
+        --pre-bg-color: rgba(175, 184, 193, 0.1);
+        --pre-border-color: rgba(175, 184, 193, 0.3);
 
---bq-color: #ccc;
---hr-color: #333;
+        --bq-color: #ccc;
+        --hr-color: #333;
 
---pagination-bg-color: #2e2e33;
---pagination-link-color: #b6b6b6;
---pagination-border-color: #333333;
---pagination-border-radius: 5px;
+        --pagination-bg-color: #2e2e33;
+        --pagination-link-color: #b6b6b6;
+        --pagination-border-color: #333333;
+        --pagination-border-radius: 5px;
 
---post-info-color: grey;
+        --post-info-color: grey;
 
---switcher-color: #fff;
+        --switcher-color: #fff;
 
---svg-color: #ccc;
---svg-state-color:#ff5858;
+        --svg-color: #ccc;
+        --svg-state-color: #ff5858;
+    }
+}
+/* Same as above.  */
+html[data-theme='dark'] {
+    --font-color: #dadadb;
+    --bg-color: #1d1e20;
+
+    --card-color: #2e2e33;
+    --card-border-color: #333333;
+
+    --link-color: #599ada;
+    --link-state-color: #ff5858;
+    --link-state-border-color: rgba(238, 54, 54, 0.5);
+
+    --thead-bg-color: #343a40;
+    --table-border-color: lightgrey;
+
+    --nav-bg-color: #2e2e33;
+    --nav-link-color: #b6b6b6;
+
+    --pre-color: #f8f8f2;
+    --pre-bg-color: rgba(175, 184, 193, 0.1);
+    --pre-border-color: rgba(175, 184, 193, 0.3);
+
+    --bq-color: #ccc;
+    --hr-color: #333;
+
+    --pagination-bg-color: #2e2e33;
+    --pagination-link-color: #b6b6b6;
+    --pagination-border-color: #333333;
+    --pagination-border-radius: 5px;
+
+    --post-info-color: grey;
+
+    --switcher-color: #fff;
+
+    --svg-color: #ccc;
+    --svg-state-color: #ff5858;
+}

assets/css/light.css

@@ -1,14 +1,12 @@
-:root {
-   /* light.css */ 
+html[data-theme='light'] {
     --font-color: #1e1e1e;
     --bg-color: #ffffff;
 
     --card-color: #fafafa;
     --card-border-color: #eeeeee;
 
-
-    --link-color:#1d60a3;
-    --link-state-color:rgb(163, 29, 29);
+    --link-color: #1d60a3;
+    --link-state-color: rgb(163, 29, 29);
     --link-state-border-color: rgba(163, 29, 29, .5);
 
     --thead-bg-color: lightgrey;

assets/css/main.css

@@ -1,34 +1,3 @@
-{{ $light := resources.Get "css/light.css" }}
-{{ $dark := resources.Get "css/dark.css" }}
-
-{{ $style := "light-without-switcher" }}
-{{ if and (isset site.Params "style") (ne site.Params.style "") }}
-    {{ $style = site.Params.style | lower }}
-{{ end }}
-
-{{ if eq $style "dark-without-switcher" }}
-:root {
-    {{ $dark.Content }}
-}
-
-{{ else }}
-
-{{ $light.Content }}
-
-{{ if eq $style "auto-without-switcher" }}
-@media (prefers-color-scheme: dark) {
-    :root {
-        {{ $dark.Content }}
-    }
-}
-{{ else if ne $style "light-without-switcher" }}
-[data-theme="dark"] {
-    {{ $dark.Content }}
-}
-{{ end }}
-
-{{ end }}
-
 /* Basic */
 
 :root {
@@ -207,7 +176,7 @@ pre,
 kbd {
     color: var(--pre-color);
     background-color: var(--pre-bg-color);
-    font-family: monospace;
+    font-family: 'Courier New', 'Consolas', monospace;
     font-size: 0.90em;
     line-height: 154%;
     border-radius: 6px;

layouts/partials/head.html

@@ -45,6 +45,8 @@
 {{end}}
 
 {{ partial "resource.html" (dict "context" . "type" "css" "filename" "css/main.css") }}
+{{ partial "resource.html" (dict "context" . "type" "css" "filename" "css/light.css") }}
+{{ partial "resource.html" (dict "context" . "type" "css" "filename" "css/dark.css") }}
 
 {{ if .Site.Params.copyCodeButton | default true }}
     {{ partial "resource.html" (dict "context" . "type" "js" "filename" "js/copy-code.js") }}