/* Add extra margin to the bottom of the entire tab area */
 .sd-tab-set {
  margin: 0rem 0rem 2rem 0rem !important;
  background: #ffffff !important;
} 

/* More obvious underline (inactive vs active) */
.sd-tab-set > input + label {
  border-bottom: 3px solid #d0d0d0 !important;
  padding-bottom: 0.35rem !important;
}

.sd-tab-set > input:checked + label {
  border-bottom: 3px solid #2980b9; /* matches your header blue */
}

/* Give content a visible “panel” */
.sd-tab-content {
  border: 1px solid #d0d0d0 !important;
  border-radius: 6px !important;
  padding: 0.75rem !important;
  margin-top: 0.5rem !important;
  background: #ffffff !important;
}

/* Keep code blocks clean inside tabs */
.sd-tab-content .highlight {
  margin-top: 0.75em;
}

/* Restore TrustID blue header in RTD theme */
.wy-side-nav-search {
    background-color: #2980b9 !important;
}

.wy-nav-top {
    background-color: #2980b9 !important;
}

.wy-side-nav-search > a {
    color: #ffffff !important;
}