/* #session_expiration, #session_expiration *
{ border: 1px solid green; } */

#session_expiration
{
    z-index: 1100;
    position: fixed;
    top: 0px;
    left: 0px;
    background-color:
    rgba(192,192,192,0.5);
    height: 100vh;
    width: 100vw;

    display: none;
    align-items: center;
    justify-content: center;
}

#se_msg_box
{ 
    width: 600px;
    background-color: white;
}

#se_msg_box_head
{
    width: 100%;
    background-color: black;
    color: lightgray;
    padding: 10px 0px;
    font-size: 20px;
    text-align: center;
}

#se_msg_box_body
{ 
    padding: 20px 0px; 
    text-align: center;
}

#se_msg_box_body .button
{ width: 100px; }

#se_msg_box_txt_1, #se_msg_box_txt_2
{ display: none; }

#se_msg_box_txt_1 > div, #se_msg_box_txt_2
{
    text-align: center;
    padding: 10px 0px;
}        

#se_msg_box_timer
{
    color: gray;
    font-size: 30px;
}