a.navbar-brand:before {
    content: 'DEV';
    color: lime;
    text-shadow: 2px 2px 0 maroon;
    position: absolute;
    top: 25px;
    left: 1px;
    display: block;
    height: 24px;
    width: 60px;
    font-size: 39px;
    font-family: 'open sans',sans-serif;
    font-weight: bold;
    background: rgba(255,255,255,.7);
}
a.navbar-brand {position:relative;}