div.navigation{display:table;width:100%}.nav_button{padding:10px;margin:10px 10px 10px 10px;cursor:pointer;text-align:justify;background-color:#10b9a8;border-radius:15px;font-weight:bold;transition:opacity .2s;height:100px;display:table-cell;vertical-align:middle;border:10px solid white}.nav_button:hover{opacity:80%}.nav_button>a{color:white;text-decoration:none}.sticky{position:fixed;top:0}