.popper-wrapper{
    position: absolute;
    font-size: 30px;
    width: 300px;
    left: calc(50% - 150px);
    top:140px;
    z-index: 2;
    filter:drop-shadow(0 1px 5px #000);
    text-align: center;
}

.popper-wrapper span{
    
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-transform: uppercase;
}
@media only screen and (max-width: 600px) {
    .popper-wrapper{
        top: 100px;
        font-size: 25px;
    }
}