WordPress 代码高亮插件 io code highlight

.ioch-code-highlight{background-color:#151619;border:0}
:not(pre) > code[class*="language-"],.io-black-mode pre[class*="language-"]{background-color:rgba(0,0,0,.15)}
.ioch-code-highlight .io-btn-copy{border:1px solid rgba(255,255,255,.5)}