#index-link-group{padding:0; margin:0; list-style-type:none;}

#index-link1{padding-left:8px; padding-right:4px; margin:0; float:left; position:relative; width:160px; height:130px; background:#ffffff; overflow:hidden}
#index-link2{padding-left:4px; padding-right:4px; margin:0; float:left; position:relative; width:160px; height:130px; background:#ffffff; overflow:hidden}
#index-link3{padding-left:4px; padding-right:4px; margin:0; float:left; position:relative; width:160px; height:130px; background:#ffffff; overflow:hidden}
#index-link4{padding-left:4px; padding-right:4px; margin:0; float:left; position:relative; width:160px; height:130px; background:#ffffff; overflow:hidden}
#index-link5{padding-left:4px; padding-right:4px; margin:0; float:left; position:relative; width:160px; height:130px; background:#ffffff; overflow:hidden}

#index-link1 a{display:block; width:160px; height:130px;text-decoration:none}
#index-link2 a{display:block; width:160px; height:130px;text-decoration:none}
#index-link3 a{display:block; width:160px; height:130px;text-decoration:none}
#index-link4 a{display:block; width:160px; height:130px;text-decoration:none}
#index-link5 a{display:block; width:160px; height:130px;text-decoration:none}

#index-link1 a:hover, 
#index-link2 a:hover, 
#index-link3 a:hover,
#index-link4 a:hover{text-decoration:none}
#index-link5 a:hover{text-decoration:none}

#index-link1 a{background:url(../images/homepage/contact.png) 0 -130px no-repeat}
#index-link2 a{background:url(../images/homepage/comments.png) 0 -130px no-repeat}
#index-link3 a{background:url(../images/homepage/excellence.png) 0 -130px no-repeat}
#index-link4 a{background:url(../images/homepage/working.png) 0 -130px no-repeat}
#index-link5 a{background:url(../images/homepage/principle.png) 0 -130px no-repeat}

#index-link1 a:hover{background:url(../images/homepage/contact.png) 0 0 no-repeat}
#index-link2 a:hover{background:url(../images/homepage/comments.png) 0 0 no-repeat}
#index-link3 a:hover{background:url(../images/homepage/excellence.png) 0 0 no-repeat}
#index-link4 a:hover{background:url(../images/homepage/working.png) 0 0 no-repeat}
#index-link5 a:hover{background:url(../images/homepage/principle.png) 0 0 no-repeat}