details summary::-webkit-details-marker{display:none}
.chevron{transition:transform .2s ease}
details[open] .chevron{transform:rotate(180deg)}
details[open] .read-btn{color:#9ca3af;border-color:#9ca3af;background-color:transparent;cursor:default;pointer-events:none}
details[open] > summary{margin-bottom:2rem} 
.article-body{height:0;opacity:0;overflow:hidden}