.but,
button {
  outline: none;
  border: none;
  background: inherit;
  box-sizing: border-box !important;
}

.button-1 {
  background-color: #3498db;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  transition: color 0.3s;
}

.button-1:hover {
  color: #ff5733; 
}

.button-2 {
  background-color: #e74c3c;
  color: #fff;
  padding: 12px 24px;
  border: none;
  border-radius: 5px;
  transition: background-color 0.3s, color 0.3s;
}

.button-2:hover {
  background-color: #27ae60; 
}

.button-3 {
  background-color: #f39c12;
  color: #fff;
  padding: 8px 16px;
  border: 2px solid #f39c12;
  border-radius: 5px;
  transition: border-color 0.3s, color 0.3s;
}

.button-3:hover {
  border-color: #c0392b; 
  color: #c0392b; 
}


.button-4 {
  background-color: #2ecc71;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  transition: opacity 0.3s;
}

.button-4:hover {
  color: rgba(255, 255, 255, 0.5); 
}


.button-5 {
  background-color: #9b59b6;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  transition: transform 0.3s, color 0.3s;
}

.button-5:hover {
  transform: scale(1.1); 
  color: #e74c3c; 
}

@media (max-width: 768px) {
  .button-5 {
    font-size: 14px;
    padding: 8px 16px; 
  }
}