.button{background-color:white;color:black;border:2px solid #4CAF50;padding:15px 32px;text-align:center;text-decoration:none;display:inline-block;font-size:16px;}.button{-webkit-transition-duration:0.4s;transition-duration:0.4s;}.button:hover{background-color:#4CAF50;color:white;}