#rsvp-form { margin-bottom: 20px; }
#rsvp-form input, #rsvp-form textarea, #rsvp-form select {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
}
#rsvp-submit {
    padding: 10px 20px;
    background: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
}
.rsvp-entry {
    margin-bottom: 10px;
    padding: 10px;
    background: #f0f8ff;
    border-left: 3px solid #0073aa;
}