.RR_button {
  display: inline-block;
  padding: 15px 25px;
  font-size: 24px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #4CAF50;
  border: none;
  border-radius: 5px;
  box-shadow: 0 9px #999;
}

.RR_button:hover {background-color: #3e8e41}

.RR_button:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}



.Add_button {
  display: inline-block;
  padding: 5px 8px;
  font-size: 18px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #4CAF50;
  border: none;
  border-radius: 10px;
  box-shadow: 0 4px #999;
}

.Add_button:hover {background-color: #3e8e41}

.Add_button:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}


.Details_button {
  display: inline-block;
  padding: 1px 6px;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #4CAF50;
  border: none;
  border-radius: 10px;
  box-shadow: 0 4px #999;
}

.Details_button:hover {background-color: #3e8e41}

.Details_button:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}



.Edit_button {
  display: inline-block;
  padding: 8px 8px;
  font-size: 16px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #4CAF50;
  border: none;
  border-radius: 15px;
  box-shadow: 0 4px #999;
}

.Edit_button:hover {background-color: #3e8e41}

.Edit_button:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}



.tablink {
  background-color: #555;
  color: white;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 5px 10px;
  font-size: 17px;
  width: 180px;
}

.tablink:hover {
  background-color: #777;
}

.disabled {
  cursor: not-allowed;
}