#tabs {
 border-bottom: .5em solid #03c;
 margin: 0;
 padding: 0;
 }
 #tabs li { 
 display:inline; 
 border-top: .1em solid #03c;
 border-left: .1em solid #03c;
 border-right: .1em solid #03c;
 }
 #tabs li a {
 text-decoration: none;
 padding: 0.25em 1em;
 color: #000;
 } 

 #page1 #tabs li#tab1 a, #page2 #tabs li#tab2 a, #page3 #tabs li#tab3 a, .page4 #tab4 a{
 padding: 0.25em 1em;
 background-color: #03c;
 color: #fff;