body {display: block; margin: auto; text-align: center; background-color: #000; color: #003366;}
ul {clear: both; background-image: url(../_images/bg.png); background-repeat: no-repeat; height: 49px; background-position: 0% 50%; width: 100%; list-style-type: none; margin: 0; padding: 0; text-align: left;}
li {float: left; padding: 0; margin: 0;}
img {border: 0;}

ul.three li {margin-left: 30px;}
ul li {margin-left: 75px;}
ul li.first {margin-left: 30px;}
ul li.last {margin-left: 115px;}
div {background-repeat: no-repeat; padding-top: 33px; margin-left: 35%;}
#dev {background-image: url(../_images/dev.png);}
#etc {background-image: url(../_images/etc.png);}
#mail {background-image: url(../_images/mail.png);}
#videos {background-image: url(../_images/videos.png);}
#title {margin: auto; text-align: center;}