.home_btn {
background: transparent url(images/navigation/home_btn.png) no-repeat;
display: block;
height: 27px;
width: 41px;
}

.home_btn:hover {
background: transparent url(images/navigation/home_btn.png) no-repeat;
background-position: -42px;
display: block;
height: 27px;
width: 48px;
}

.abt_btn {
background: transparent url(images/navigation/about_btn.png) no-repeat;
display: block;
height: 32px;
width: 49px;
}

.abt_btn:hover {
background: transparent url(images/navigation/about_btn.png) no-repeat;
background-position: -50px;
display: block;
height: 32px;
width: 52px;
}

.serv_btn {
background: transparent url(images/navigation/services_btn.png) no-repeat;
display: block;
height: 32px;
width: 72px;
}

.serv_btn:hover {
background: transparent url(images/navigation/services_btn.png) no-repeat;
background-position: -72px;
display: block;
height: 32px;
width: 80px;
}

.port_btn {
background: transparent url(images/navigation/portfolio_btn.png) no-repeat;
display: block;
height: 31px;
width: 81px;
}

.port_btn:hover {
background: transparent url(images/navigation/portfolio_btn.png) no-repeat;
background-position: -81px;
display: block;
height: 31px;
width: 89px;
}

.bio_btn {
background: transparent url(images/navigation/biography_btn.png) no-repeat;
display: block;
height: 32px;
width: 85px;
}

.bio_btn:hover {
background: transparent url(images/navigation/biography_btn.png) no-repeat;
background-position: -89px;
display: block;
height: 32px;
width: 89px;
}

.news_btn {
background: transparent url(images/navigation/newsfeed_btn.png) no-repeat;
display: block;
height: 30px;
width: 79px;
}

.news_btn:hover {
background: transparent url(images/navigation/newsfeed_btn.png) no-repeat;
background-position: -79px;
display: block;
height: 30px;
width: 89px;
}

.test_btn {
background: transparent url(images/navigation/testimonials_btn.png) no-repeat;
display: block;
height: 32px;
width: 104px;
}

.test_btn:hover {
background: transparent url(images/navigation/testimonials_btn.png) no-repeat;
background-position: -104px;
display: block;
height: 32px;
width: 115px;
}

.down_btn {
background: transparent url(images/navigation/downloads_btn.png) no-repeat;
display: block;
height: 30px;
width: 91px;
}

.down_btn:hover {
background: transparent url(images/navigation/downloads_btn.png) no-repeat;
background-position: -91px;
display: block;
height: 30px;
width: 97px;
}

.archives_btn {
background: transparent url(images/navigation/archives_btn.png) no-repeat;
display: block;
height: 32px;
width: 73px;
}

.archives_btn:hover {
background: transparent url(images/navigation/archives_btn.png) no-repeat;
background-position: -75px;
display: block;
height: 32px;
width: 77px;
}

.links_btn {
background: transparent url(images/navigation/links_btn.png) no-repeat;
display: block;
height: 32px;
width: 43px;
}

.links_btn:hover {
background: transparent url(images/navigation/links_btn.png) no-repeat;
background-position: -46px;
display: block;
height: 32px;
width: 46px;
}

.con_btn {
background: transparent url(images/navigation/contact_btn.png) no-repeat;
display: block;
height: 33px;
width: 66px;
}

.con_btn:hover {
background: transparent url(images/navigation/contact_btn.png) no-repeat;
background-position: -66px;
display: block;
height: 33px;
width: 73px;
}