Add solitude

themes/solitude/source/css/_highlight/prismjs/diff.styl

@@ -0,0 +1,80 @@
+pre[class*='language-']
+
+  .keyword
+  .function
+    color $highlight-variable-light
+
+  .operator
+    color $highlight-variable-light
+
+  .number
+    color $highlight-number-light
+
+  .property
+  .class-name
+  .title
+    color $highlight-title-light
+
+  .string
+    color $highlight-string-light
+ 
+  .parameter
+    color $highlight-parameter-light
+
+  .blockquote
+    cikir $highlight-emphasis-light
+
+  .comment
+    color $highlight-comment-light
+
+  .atrule
+    color $highlight-emphasis-light
+
+  .boolean
+    color $highlight-important-light
+
+  .deleted
+    color $highlight-deleted
+
+  .inserted
+    color $highlight-inserted
+
+  [data-theme='dark'] &
+    .keyword
+    .function
+      color $highlight-variable-dark
+
+    .operator
+      color $highlight-variable-dark
+
+    .number
+      color $highlight-number-dark
+
+    .property
+    .class-name
+    .title
+      color $highlight-title-dark
+
+    .string
+      color $highlight-string-dark
+      
+    .parameter
+      color $highlight-parameter-dark
+
+    .blockquote
+      color $highlight-emphasis-dark
+
+    .comment
+      color $highlight-comment-dark
+
+    .atrule
+      color $highlight-emphasis-dark
+
+    .boolean
+      color $highlight-important-dark
+
+    .deleted
+      color $highlight-deleted
+
+    .inserted
+      color $highlight-inserted

themes/solitude/source/css/_highlight/prismjs/index.styl

@@ -0,0 +1,15 @@
+@require line-number
+
+@require diff
+
+#article-container
+  pre[class*='language-']
+    margin 0
+    overflow-x auto
+    scrollbar-color var(--hlscrollbar-bg) transparent
+
+    &::-webkit-scrollbar-thumb
+      background var(--hlscrollbar-bg)
+
+    &:not(.line-numbers)
+      padding 10px 20px

themes/solitude/source/css/_highlight/prismjs/line-number.styl

@@ -0,0 +1,28 @@
+#article-container
+  pre[class*='language-']
+    &.line-numbers
+      position relative
+
+      > code
+        display block
+        position relative
+        padding 8px 0 8px 58px
+
+      .line-numbers-rows
+        position absolute
+        top 0
+        left 0
+        color var(--efu-secondtext)
+        border-right var(--style-border-always)
+        width 45px
+        padding 8px 0
+
+        & > span
+          display block
+          counter-increment linenumber
+          pointer-events none
+          text-align center
+
+          &:before
+            padding 0 0.5em
+            content counter(linenumber)