body { font-family: Arial, sans-serif; background:#f4f4f9; }
.container { max-width: 600px; margin: 50px auto; background: white; padding: 24px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
form { display:flex; gap:8px; margin-bottom: 12px;}
input { flex:1; padding:10px; border-radius:6px; border:1px solid #ddd;}
button { padding:10px 12px; border-radius:6px; cursor:pointer;}
ul { list-style:none; padding:0;}
li { padding:8px 0; display:flex; justify-content:space-between; align-items:center;}
li button { background:#f44336; color:#fff; border:none; padding:6px 8px; border-radius:6px; cursor:pointer;}