#main_container_top_nav {
    overflow: hidden;
    background-color: #f5f5f5;
    width: 100%;
    /* height:1%; */
    color: #f2f2f2;
    text-align: center;
    text-decoration: none;
    font-size: 17px;
}

.icon {
    height: 20px;
    width: 20px;
    border: transparent;
    bottom: 0px;
    /* background-color: #f5f5f5; */
}

#bell_notification_btn {
    background-color: transparent;
    border: transparent;
    width: 30px;
    height: 30px;
    position: relative;
    float: right;
}

    #bell_notification_btn:hover {
        background-color: white;
        color: #f2f2f2;
    }

#main_container_top_nav_dropdown {
    position: relative;
    
}

#preview_list, #empty_preview_list {
    border: 1px solid black;
    width: 400px;
    height: 95vh;
    font-family: 'Trebuchet MS', sans-serif;
    position: absolute;
    right: 0px;
    top:20px;
    background-color:white;
    z-index:6000;
    box-shadow: 0.3em 0.3em 1em rgba(0, 0, 0, 0.3);
}

.empty_preview_list {
    /*background: url("./images/1954531_alarm_alert_bell_message_notification_icon.png");*/
    background-repeat: no-repeat;
    background-size: contain;
    height: 100%;
    display: flex;
    justify-content: center;
    text-align: center;
}

.notification_preview_line {
    /*height: 7vh;*/
    margin: 1vw;
}

.notification__badge {
    background-color: #fa3e3e;
    border-radius: 2px;
    color: white;
    cursor:pointer;
    padding: 1px 3px;
    font-size: 10px;
    position: absolute;
    top: -5px;
    left: 9px;
}