div.username_select {
    font-family: 'Roboto', sans-serif;
    position: fixed;
    padding: 0;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}
div.username_select * {
    visibility: inherit;
}

div.logo_container {
    position: relative;
    margin: 0;
    width: 95%;
    height: 25%;
    padding: 1em;
    text-align: center;
    display: block;
}
img.logo {
    width: auto;
    max-width: 95%;
    max-height: 100%;
    height: auto;
    margin: auto;
    vertical-align: middle;
}

div.username_select p, div.username_select div.err {
    text-align: center;
    text-align-last: center;
    text-anchor: middle;
    font-size: 3vmax;
    color: #ffffff;
}
input.username {
    font-size: 5vmin;
    max-width: 97%;
    width: auto;
    height: 1.2em;
    margin: auto;
    display: block;
    text-align: center;
    text-align-last: center;
}
div.username_select div.err {
    color: #ff2222;
    font-weight: bold;
}
div.username_select a {
    text-align: center;
    text-align-last: center;
    text-anchor: middle;
    text-decoration: none;
    font-size: 1.5vmax;
    color: #7f0000;
    max-width: 100%;
    margin: 0.5em auto 0.5em auto;
    display: block;
}
div.username_select a:hover {
    color: #fea711;
}
div.username_select button.confirm {
    position: relative;
    font-size: 3.5vmin;
    background-color: #0e542f;
    color: #dddddd;
    border: none;
    max-width: 90%;
    min-width: 5em;
    width: auto;
    height: 2.2em;
    margin: auto;
    margin-top: 0.5em;
    padding: 0.3em;
    display: block;
}
div.username_select button.confirm:hover {
    background-color: #509eab;
    color: #eeeeff;
}
div.username_select button.confirm:disabled {
    background-color: #737373;
    color: #aaaaaa;
}
div.username_select button.confirm:disabled:hover {
    color: #aaaaaa;
}