.multitab-code-editor button[role="tab"].active {
  color: var(--primary, green);
  border-bottom: 1px solid var(--primary, green);
}

/* Hide all content by default */
.multitab-code-editor div[role="tabpanel"] {
  display: none;
}

/* Show the active content */
.multitab-code-editor div[role="tabpanel"].active {
  display: block;
}

.multitab-code-editor .tab-title {
  //style your tabs here
}