.btt {background: #d8fdff; text-align: center; color: #03D6E2; padding: 5px; text-decoration: none; position: fixed; bottom: 20px; right: 20px; border-radius: 5px;}


  .usedButton {
    background-color:#828282 !important;
    color:#000000 !important;
    margin: .3125em !important;
    padding: .3em .3em !important;
    box-shadow: none;
}

button {
  background-color: #009f8c; 
  border: none;
  color: #ffffff;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 7px 7px 7px 7px !important;
  cursor: pointer;
  -webkit-transition-duration: 0.4s; /* Safari */
  transition-duration: 0.4s;
}


.resetButton {
  background-color: #515151 !important; 
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 7px 7px 7px 7px !important;
  cursor: pointer;
  -webkit-transition-duration: 0.4s; /* Safari */
  transition-duration: 0.4s;
}


button:enabled {
  box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0,0,0,0.19);
}


button:disabled,
button[disabled]{
  background-color: #a1fff0; 
  color: #000000 !important;
  opacity: 0.6;
  margin: 7px 7px 7px 7px !important;
  cursor: not-allowed;
}