body{font-family:Arial,sans-serif;margin:0;padding:20px;background-color:#f0f0f0}#app{max-width:600px;margin:0 auto;padding:20px;background-color:#fff;box-shadow:0 0 10px #0000001a}h1{text-align:center}input,textarea,button{width:100%;margin:10px 0;padding:10px}#output img{width:30px;height:auto;margin:5px}#loading{display:flex;align-items:center}