itch.io

edit style in main.html to this

.topnav input{
float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
  background-color: #333;
border: none;
-moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    user-select: none;
}
.topnav input:hover {
  background-color: #ddd;
  color: black;
  -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    user-select: none;
}
.topnav input.active {
  background-color: #04AA6D;
  color: white;
  -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
    user-select: none;
}

To disable the selection of button on top bar