#input-username{
    border: none;
    border-color: transparent;
    background: transparent;
    outline: none;
    font-size: 4em;
}




div#username-blocker {
    margin: auto;
    width: 50%;
    padding: 10px;

    position:absolute;
    top:30%;
    left:30%;
    width:500px;
    background: aliceblue;
    opacity:0.8;

    text-align: center;

    z-index:100;
}