html {
	background: url(images/bg.jpg) no-repeat center center fixed;
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
}

a.birdRollover {  
    display: block;  
    width: 180px;  
    height: 142px;  
    background: url(images/bird.png) no-repeat 0 0;  
    overflow: hidden;  
    text-indent: -10000px;  
    font-size: 0px;  
    line-height: 0px;  
    position: relative;
    left: 40px;
    top: 80px;
}

a:hover.birdRollover {  
    background-position: -180px 0;  
}

a.mailRollover {  
    display: block;  
    width: 205px;  
    height: 156px;  
    background: url(images/mail.png) no-repeat 0 0;  
    overflow: hidden;  
    text-indent: -10000px;  
    font-size: 0px;  
    line-height: 0px;  
    position: relative;
    left: 30px;
    top: 75px;
}

a:hover.mailRollover {  
    background-position: -205px 0;  
}

a.tcRollover {  
    display: block;  
    width: 218px;  
    height: 126px;  
    background: url(images/TC.png) no-repeat 0 0;  
    overflow: hidden;  
    text-indent: -10000px;  
    font-size: 0px;  
    line-height: 0px;  
    position: relative;
    left: 15px;
    top: 75px;
}

a:hover.tcRollover {  
    background-position: -218px 0;  
}