/* Remove background from the full-width wrappers */
div.highlight,
figure.highlight,
pre.highlight,
div.highlight pre,
figure.highlight pre {
  background: transparent !important;
}

/* Put background just behind the code content */
div.highlight pre code,
figure.highlight pre code,
pre.highlight code {
  display: inline-block;
  background: #fff; /* or your cream color */
  padding: 0.75rem 1rem;
  border-radius: 6px;
}

/* Keep long lines scrollable */
div.highlight pre,
figure.highlight pre,
pre.highlight {
  overflow-x: auto;
}