#oldbrowser {
    display: none;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    padding-top: 200px;
    text-align: center;
    z-index: 9999;
    background: #ffffff;
}

#oldbrowser-name,
#oldbrowser-version { font-weight: 700; }

#oldbrowser .box {
    display: inline-block;
    max-width: 600px;
    text-align: left;
}