Basic Button

button{background-color:#4CAF50;border:none;color:white;padding:10px 20px;text-align:center;text-decoration:none;display:inline-block;font-size:16px}

Rounded Button

button{background-color:#4CAF50;border:none;border-radius:5px;color:white;padding:10px 20px;text-align:center;text-decoration:none;display:inline-block;font-size:16px}

Gradient Button

button{background:linear-gradient(to right,#FF416C,#FF4B2B);border:none;color:white;padding:10px 20px;text-align:center;text-decoration:none;display:inline-block;font-size:16px}

Hover Effect Button

button{background-color:#4CAF50;border:none;color:white;padding:10px 20px;text-align:center;text-decoration:none;display:inline-block;font-size:16px;transition:background-color .3s}button:hover{background-color:#45a049}

Shadow Button

button{background-color:#4CAF50;border:none;color:white;padding:10px 20px;text-align:center;text-decoration:none;display:inline-block;font-size:16px;box-shadow:0 4px 8px rgba(0,0,0,.1)}