#advert-once {
position: fixed;
bottom: 0px;
right: 0px;
background-color: rgba(255,255,255,0.6);
color: #000;
z-index: 99999;
font-size: 12px;
width: 100%;
height: 55px;
text-align: center;
padding-top: 20px;
font-family: 'Oxygen', sans-serif;
}
 


#reset-session, #refresh-page {
display: block;
width: 250px;
text-align: center;
border: none;
cursor: pointer;
background-color: #ddd;
margin: 5px 0;
}

#reset-session:hover, #refresh-page:hover {
background-color: #f96e5b;
}

@media only screen  and (max-device-width: 580px)
{
    #advert-once 
    {
        height: 160px; 
    }
}