#drop-area{border:2px dashed #ccc;border-radius:20px;width:100%;font-family:sans-serif;margin:0 0 20px 0;padding:20px;font-size:16px;text-align:center}#drop-area.highlight{border-color:purple}#progress-bar{width:100%}#progress-thumbs-bar{width:100%}#drop-zone .hidden{display:none}#app img{width:32%}