input.margin-toggle{display:none}label.margin-toggle{display:inline;cursor:pointer}label.margin-toggle::before{content:"▶";display:inline-block;transition:transform .2s ease}input.margin-toggle:checked+label.margin-toggle::before{content:"▼"}.marginnote{display:none}.margin-toggle:checked~.marginnote{display:block;float:left;left:1rem;clear:both;width:95%;margin:1rem 2.5%;position:relative;font-size:.9em;line-height:1.3}