.button {
  border: none;
  color: white;
  padding: 16px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
}

.button-green {
  background-color: white; 
  color: black; 
  border: 2px solid #4CAF50;
}

.button-green:hover {
  background-color: #4CAF50;
  color: white;
}

.button-blue {
  background-color: white; 
  color: black; 
  border: 2px solid #008CBA;
}

.button-blue:hover {
  background-color: #008CBA;
  color: white;
}

.button-blue-skyblue {
  background-color: lightblue;  
  color: black; 
  border: 2px solid #008CBA;
}

.button-blue-skyblue:hover {
  background-color: #008CBA;
  color: white;
}


.button-crystalblue {
  background-color: white; 
  color: black; 
  border: 2px solid #008CBA;
}

.button-crystalblue:hover {
  background-color: #5CB3FF;
  color: white;
}

.button-plumvelvet {
  background-color: white; 
  color: black; 
  border: 2px solid #008CBA;
}

.button-plumvelvet:hover {
  background-color: #7D0552;
  color: white;
}