#error{
    color:red;
    font-size:20px;
    position:absolute;
    width:100%;
    text-align: center;
    top:50%;
    transform:translateY(-50%);
    display:none;
}
#error.active{
    display:block!important;
}
#error a{
    color:white;
    font-size:18px;
}