.notice-complete {
    padding: 40px 20px 0px 0px;
    text-align: center;
    border-top: 4px solid #842F8F; /* line aksen biru navy */
    margin: 40px 0;
}
.insta-btn {
    display: inline-flex;
    align-items: center;
    font-size: 1.125em;
    color: #842F8F;
    text-decoration: none;
    font-weight: bold;
    padding: 12px 20px;
    border: 2px solid #842F8F;
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s;
}

.insta-btn i {
    margin-right: 8px;
    font-size: 1.5em;
}

.insta-btn:hover {
    background-color: #842F8F;
    color: #fff;
    text-decoration: none;
}