input[type=text], input[type=password], input[type=email] {
padding: 7px;
border: none;
outline: none;
border-bottom: solid 5px #4CAF50;
transition: .4s;
}
input[type=text]:focus, input[type=password]:focus, input[type=email]:focus {
border-bottom: solid 5px #54C957;
}
strong {
color: white;
}
button {
-webkit-transition-duration: 0.4s;
transition-duration: 0.4s;
background: none;
color: white;
border: 2px solid #4CAF50;
width: 200px;
padding: 14px;
margin-top: 50px;
}
button:hover {
background-color: #4CAF50;
color: white;
}