.markdown-section ul.checklist {
    list-style-type: none;
    padding-left: 3em;
}

.markdown-section ul.checklist li div.checkbox {
    width: 0;
    height: 0;
    position: relative;
    top: 0.2em;
}

.markdown-section ul.checklist li div.checkbox input[type='checkbox'] {
    position: absolute;
    right: 0.5em;
    width: 1.25em;
    height: 1.25em;
}