* { box-sizing: border-box;}
body, html {margin: 0;padding: 0;align-items: center;display: flex;flex-direction: column;}
.navigationItem {min-width: 5em;text-align: center; display: inline-block; padding: .3em; border: 2px solid darkgreen;border-right: none; text-decoration: none}
.navigationItem:last-child { border: 2px solid darkgreen; }
.navigationItem:visited{text-decoration: none}
.navigationItem:hover{text-decoration: none}