#main_header {
    position: relative;
}

.noti-banner {
    display: flex;
    position: absolute;
    width: 100%;
    opacity: 85%;
    left: 0;
    top: calc(100% + 5px);
    z-index: 5;
    backdrop-filter: blur(6px);
}

.noti-banner .container {
    max-width: 1180px;
}

.noti-banner .alert-banner {
    color: #ffffff;
    background-color: #303030;
    border-radius: 0px;
    width: 100%;
    padding: 15px 0 !important;
    line-height: 20px;
    font-size: 20px;
    margin: 0;
}

.noti-banner .close-btn {
    background-color: #303030;
    /* Green */
    border: 1px solid #ffffff;
    color: white;
    padding: 5px 30px;
    text-align: center;
    text-decoration: none;
    font-size: 20px;
    float: right;
}

@media all and (max-width: 991px) {
    .noti-banner {
        top: calc(100% + 3px);
    }
}

@media all and (max-width: 767px) {
    .noti-banner .close-btn {
        float: left;
        margin-top: 15px;
    }
}