.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;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.button-1:hover {
  color: #fff;
  box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
  background-color: #2980b9;
}

.button-2 {
  background-color: #e74c3c;
  color: #fff;
  padding: 15px 25px;
  border: 2px solid #c0392b;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.button-2:hover {
  color: #fff;
  transform: scale(1.05);
}

.button-3 {
  background-color: #2ecc71;
  color: #fff;
  padding: 12px 24px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
}

.button-3:hover {
  color: #fff;
  box-shadow: 0 0 10px rgba(46, 204, 113, 0.8);
}

.button-4 {
  background-color: #f39c12;
  color: #fff;
  padding: 10px 30px;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: color 0.3s ease;
}

.button-4:hover {
  border: 1px solid #9c4307;
  color: #fff;
  color: #d35400;
}

.button-5 {
  background-color: #9b59b6;
  color: #fff;
  padding: 15px 20px;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: border-radius 0.3s ease;
}

.button-5:hover {
  color: #fff;
  border-radius: 15px;
}