nespaint/sass/tabs.scss

.tabnav {
  background-color: $tabnav-bg;
  color: $tabnav-text;
  
  li {
    display: inline; 
  }
  a {
    padding: 0 10px;
    text-decoration: none;
  }

  div.tab-content {
    background-color: $tabnav-content-bg;
    color: $tabnav-content-text;
  }
}

.tab-selected {
  background-color: $tabnav-content-bg;
  color: $tabnav-content-text;
}