pre[class*="language-"]>code{
  border : none;
  box-shadow: none;
}
pre[class*="language-"]:before, pre[class*="language-"]:after {
  display: none;

}
.code-toolbar .toolbar{
  position : absolute;
  left : -9999px;
}
.line-numbers-rows span{
  line-height: 1.5;
}