dropbtn{background-color:#000;color:#fff;padding:#px;font-size:#px;border:none}.dropdown{position:relative;display:inline-block}.dropdown-content{display:none;position:absolute;background-color:#d3d3d3;min-width:#px;z-index:1}.dropdown-content a{color:#000;padding:#px #px;text-decoration:none;display:block}.dropdown-content a:hover{background-color:#fff}.dropdown:hover .dropdown-content{display:block}.dropdown:hover .dropbtn{background-color:grey}