#pdt-app { max-width:900px; margin:60px auto; font-family:Arial; }
#pdt-app button { display:block; margin:10px 0; padding:12px 16px; cursor:pointer; }
.pdt-result-inner h3 { margin-top:30px; }
.pdt-meta { margin-top:40px; font-style:italic; opacity:0.8; }