.dropbtn {  background-color: #3498DB;  color: white;  padding: 16px;  font-size: 16px;  border: none;}/* The container <div> - needed to position the dropup content */.dropup {  position: relative;  display: inline-block;  z-index:999999;   position: relative;   display: inline-block; }/* Dropup content (Hidden by Default) */.dropup-content {  display: none;  position: absolute;  bottom: 50px;  background-color: #f1f1f1;  min-width: 160px;  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);  z-index: 1;}/* Links inside the dropup */.dropup-content a {  color: black;  padding: 12px 16px;  text-decoration: none;  display: block;}/* Change color of dropup links on hover */.dropup-content a:hover {background-color: #ddd}/* Show the dropup menu on hover */.dropup:hover .dropup-content {  display: block;}/* Change the background color of the dropup button when the dropup content is shown */.dropup:hover .dropbtn {  background-color: #2980B9;}