fix: final fix for the code line number highlights

Author: kiaking

src/client/theme-default/styles/code.css

@@ -3,7 +3,7 @@ code {
   border-radius: 3px;
   padding: .25rem .5rem;
   font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace;
-  font-size: var(--code-font-size);
+  font-size: 14px;
   color: var(--c-text-light);
   background-color: rgba(27, 31, 35, .05);
 }
@@ -18,10 +18,10 @@ code .token.inserted {
 
 div[class*='language-'] {
   position: relative;
-  margin: .85rem 0;
+  margin: 14px 0;
   border-radius: 6px;
   padding: .5rem 1.5rem;
-  line-height: 1.5;
+  line-height: 24px;
   background-color: var(--code-bg-color);
   overflow-x: auto;
 }
@@ -44,7 +44,7 @@ div[class*='language-'] {
   word-spacing: normal;
   word-break: normal;
   word-wrap: normal;
-  line-height: 1.5;
+  line-height: 24px;
   -moz-tab-size: 4;
   -o-tab-size: 4;
   tab-size: 4;
@@ -62,8 +62,9 @@ div[class*='language-'] {
   left: 0;
   padding-top: var(--code-padding-vertical);
   width: 100%;
-  line-height: 1.5;
-  font-size: var(--code-font-size);
+  line-height: 24px;
+  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace;
+  font-size: 14px;
   user-select: none;
 }
 
@@ -85,8 +86,8 @@ div[class*='language-'].line-numbers-mode {
   padding: var(--code-padding-vertical) 0;
   width: 3.5rem;
   text-align: center;
-  line-height: 1.5;
-  font-size: var(--code-font-size);
+  line-height: 24px;
+  font-size: 16px;
   color: #888;
   z-index: 4;
 }

src/client/theme-default/styles/vars.css

@@ -47,7 +47,6 @@
   --c-bg: var(--c-white);
 
   --code-padding-vertical: 1.5rem;
-  --code-font-size: .85rem;
   --code-bg-color: #282c34;
 
 }