.md-typeset .tabbed-content .tabbed-block {
  background-color: #f5f5f5; /* Light grey hex code */
  padding: 16px;             /* Adds a comfortable spacing around your text */
  border-radius: 4px;        /* Smooths the corners */
}

.md-typeset .tabbed-content .tabbed-block pre code {
  background-color: #ffffff !important; /* Elegant dark grey/black code background */
}