.rec-box {
    max-width: 420px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
}

.rec-box input {
    width: 100%;
    margin: 8px 0;
    padding: 10px;
}

.rec-box button {
    width: 100%;
    padding: 10px;
    background: #0073aa;
    color: #fff;
    border: none;
}

#rec-result {
    margin-top: 15px;
}