#ie-warning {
    text-align: center;
    background: red;
    filter: alpha(opacity=50);
    position: absolute;
    top: 0;
    left: 0;
    font-size: 12px;
    width: 100%;
    padding: 2px 0;
}

    #ie-warning a {
        text-decoration: none;
        color: #fff;
    }