:root{
  --code-background-clr:#440000;
  --code-text-clr:#aaaaaa;
  --post-bg-clr:#090909;
}
.post {

  margin:30px auto;
  display:flex;
  flex-direction:column;
  max-width: 1300px;
  box-sizing: border-box;
  overflow-wrap: break-word; 
  align-items:center;
  background-color:var(--post-bg-clr);
}

.sourceCode ,pre , .shell , [class^="language"] {
  display:block;
  box-sizing: border-box;
  max-width:90%;
  padding:10px;
  background-color: var(--code-background-clr);
  color:var(--code-text-clr);
  overflow-x: auto;
  white-space: pre;        /* Wrap lines if you prefer */
}
code {
  padding:5px;
  background-color: var(--code-background-clr);
  color:var(--code-text-clr);

}
ul li {
  color:var(--primary_text_clr);
}