a.btn-hover, a.btn-hover2 {
    transition: all 0.3s ease-in-out;
}
a.btn-hover:hover {
    background: #a8cb76;
    border-radius: 5px;
    
}
a.btn-hover2:hover {
    background: #a8cb76;
    border-radius: 5px;
    
}
a.btn-hover2:hover > div.tn-molecule > div > div.tn-atom {
  color: white !important;
  transition: color 0.3s ease;
}