.jpgtopng-container{max-width:450px;margin:20px auto;padding:20px;border:1px solid #ddd;border-radius:10px;background:#fff;text-align:center;}
#jpgtopng-convert{margin-top:10px;padding:10px 20px;background:#0073aa;color:#fff;border:none;border-radius:5px;cursor:pointer;}
#jpgtopng-convert:hover{background:#005f8d;}
.settings-panel{margin:15px 0;text-align:left;}
.settings-panel label{display:block;margin-bottom:10px;}