.button {
  border: none;
  color: white;
  padding: 16px 32px;
  text-align: center;
  font-size: 20px;
  margin: 4px 2px;
  opacity: 1.0;
  transition: 0.3s;
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
}


.due:hover {
  background-color: #c9c9c9;
  color: white;
}

.due:hover {
  box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0,0,0,0.19);
}