.md-typeset input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  vertical-align: text-bottom;
  accent-color: #1976d2; /* blue */
}
.md-typeset li task-list-item { margin-bottom: 0.25rem; }
.md-typeset ul.task-list { list-style: none; padding-left: 0; }
.md-typeset ul.task-list li { margin: 0.3rem 0; }