.Post-body pre code{
transition: .2s linear;
}
.Post-body pre code.hljs::before{
left: 1px ;
right: unset;
opacity: 0;
text-indent: 0;
transition: opacity .2s;
}
.Post-body:hover pre code{
text-indent:30px;
}
.Post-body:hover pre code.hljs::before{
opacity: 1;
margin-left: 2px;
}