cover.css

/* Links */

a, a:focus, a:hover {
    color: #fff;
}


/*
 * Base structure
 */

html, body {
    height: 100%;
}

body {
    color: #fff;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, .5);
    position: relative;
}


/* Extra markup and styles for table-esque vertical and horizontal centering */

.site-wrapper {
    display: table;
    width: 100%;
    height: 100%;
    /* For at least Firefox */
    min-height: 100%;
    -webkit-box-shadow: inset 0 0 100px rgba(0, 0, 0, .5);
    box-shadow: inset 0 0 100px rgba(0, 0, 0, .5);
    position: absolute;
    top: 0;
    left: 0;
}

.site-wrapper-inner {
    display: table-cell;
    vertical-align: top;
}

.cover-container {
    margin-right: auto;
    margin-left: auto;
}


/* Padding for spacing */

.inner {
    padding: 30px;
}


/*
 * Header
 */

.masthead-brand {
    margin-top: 10px;
    margin-bottom: 10px;
}

.masthead-nav>li {
    display: inline-block;
}

.masthead-nav>li+li {
    margin-left: 20px;
}

.masthead-nav>li>a {
    padding-right: 0;
    padding-left: 0;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    /* IE8 proofing */
    color: rgba(255, 255, 255, .75);
    border-bottom: 2px solid transparent;
}

.masthead-nav>li>a:hover, .masthead-nav>li>a:focus {
    background-color: transparent;
    border-bottom-color: #a9a9a9;
    border-bottom-color: rgba(255, 255, 255, .25);
}

.masthead-nav>.active>a, .masthead-nav>.active>a:hover, .masthead-nav>.active>a:focus {
    color: #fff;
    border-bottom-color: #fff;
}

@media (min-width: 768px) {
    .masthead-brand {
        float: left;
    }
    .masthead-nav {
        float: right;
    }
}


/*
 * Cover
 */

.cover {
    padding: 0 20px;
}

.cover .btn-lg {
    padding: 10px 20px;
    font-weight: bold;
}


/*
 * Footer
 */

.mastfoot {
    color: #999;
    /* IE8 proofing */
    color: rgba(255, 255, 255, .5);
}


/*
 * Affix and center
 */

@media (min-width: 768px) {
    /* Pull out the header and footer */
    .masthead {
        position: fixed;
        top: 0;
    }
    .mastfoot {
        position: fixed;
        bottom: 0;
    }
    /* Start the vertical centering */
    .site-wrapper-inner {
        vertical-align: middle;
    }
    /* Handle the widths */
    .masthead, .mastfoot, .cover-container {
        width: 100%;
        /* Must be percentage or pixels for horizontal alignment */
    }
}

@media (min-width: 992px) {
    .masthead, .mastfoot, .cover-container {
        width: 960px;
    }
}

#myBackgroundImage {
    width: 100%;
    height: 100%;
    /* For at least Firefox */
    min-height: 100%;
    position: absolute;
    display: table-cell;
    opacity: 1;
}

nav, .nav .open>a, .nav .open>a:focus {
    background-color: transparent;
    background: transparent;
    border-color: transparent;
}

.dropdown-menu>li>a:hover {
    background-color: #b5cce0;
}

.dropdown-menu>li>a {
    padding: 1px 15px;
}

h1 {
    font-size: 60px;
    text-shadow: 0 3px 3px rgba(0, 0, 0, .5);
}