fix diff duotone syntax color

assets/css/prism.css

@@ -45,6 +45,7 @@ pre[class*="language-"] {
 	white-space: normal;
 }
 
+
 .token.important,
 .token.bold {
 	font-weight: bold;

assets/css/syntax.css

@@ -14,7 +14,8 @@ code.language-scss,
 .token.statement,
 .token.regex,
 .token.atrule,
-.token.number {
+.token.number,
+.token.inserted {
   color: var(--accent);
 }
 
@@ -30,6 +31,7 @@ code.language-scss,
 
 .token.property,
 .token.function,
+.token.deleted,
 code.language-javascript,
 code.language-html,
 .command-line-prompt > span:before {