html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.tree-node {
    padding: 6px 10px;
    border-radius: 4px;
    user-select: none;
}

    .tree-node:hover {
        background-color: #f0f0f0;
    }

    .tree-node.selected {
        background-color: #0d6efd;
        color: white;
        font-weight: 600;
    }
    .tree-node.search-hit {
        background-color: #fff3cd;
        border: 1px solid #ffc107;
        font-weight: bold;
    }


.knowledge-image {
    margin: 20px 0;
    text-align: center;
}

    .knowledge-image img {
        max-width: 100%;
        border: 1px solid #ddd;
        border-radius: 6px;
    }