less dark snippet line highlight in znai-dark mode
--znai-snippets-reference-border-color: mediumpurple;
--znai-snippets-reference-background-color: #29264c;
--znai-snippets-explanation-background-color: #121619;
- --znai-snippets-line-highlighted-background-color: #000;
+ --znai-snippets-line-highlighted-background-color: #121415;
--znai-token-title-color: #dddddd;
--znai-token-highlight-background-color: rgba(147, 112, 219, 0.22);
