html {
    height: 100%;
    overflow: hidden;
    }
body {
    background: url(https://upload.wikimedia.org/wikipedia/commons/a/ab/The_Coudon_from_La_Garde_-_Flickr_-_styeb.jpg) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    height: 100%;
    }
div#outer {
    display: table;
    height: 100%;
    width: 100%;
    }
div#container {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    }
#paragraph {
    padding: 20px 0 30px 40px;
    margin: 0 auto;
    text-align: left;
    width: 560px;
    color: #146b9d;
    font-size: 11pt;
    font-weight: bold;
    font-family: Verdana;
    }
nav {
    overflow: hidden;
    resize: horizontal;
    }
nav a {
    margin: 1em;
    padding: 0.5em;
    width: 9em;
    height: 4em;
    min-width: 0;
    background-color: #858e97;
    filter: opacity(0.5);
    overflow: hidden;
    text-align: center;
    color: black;
    text-decoration: none;
    display: inline-block;
    justify-content: center;
}
nav a:hover {filter: contrast(300%);}
.icon {
    height: 40px;
    display: block;
    margin-left: auto;
    margin-right: auto;}