div.box {
    position: absolute;
    z-index: -1;
    top: 0; left: 0;
    width: 100%;
}
div.box div.bar {
    position: fixed;
    width: 100%;
    height: 10%;
    top: 75%;
}
div.box div.center {
    position: fixed;
    text-align: center;
    width: 100%;
    top: 50%;
    height: 10em;
    margin-top: -5em;
}

img#bgimg {
    min-width: 100%;
    min-height: 100%;
    overflow: hidden;
    position: fixed;
    top: 0;
    z-index: -1;
}

.menutext, .bigtext {
    color: white;
    font: bold 24px/1.618 Helvetica, Sans-Serif;
    background: rgb(0, 0, 0) transparent; /* fallback color */
    background: rgba(0, 0, 0, 0.6);
    padding: 10px;
}
span.bigtext:hover, span.menuitem:hover {
    background: rgba(0, 0, 0, 1.0);
}

.bigtext {
    font: bold 90px/1.618 Helvetica, Sans-Serif;
}

#logotext { padding-left: 100px; }

a {
    color: inherit;
    font: inherit;
    text-decoration: none;
}

span.menuitem a:hover {
    text-decoration: underline;
}