#cursor{
    font-family:monospace;
    position:relative;
    height:2ch;
    width:1px;
    background:currentColor;
}
#text{
    width:100%;
    height:100%;
}
#message{
    position:relative;
    top:50%;
    left:50%;
    text-align:center;
    transform:translate(-50%, -50%);
}