input[type="password"] {
    border: 0;
    background: none;
    display: block;
    margin: 20px auto;
    text-align: center;
    border: 2px solid #3498db;
    padding: 10px 10px;
    width: 250px;
    outline: none;
    color: white;
    border-radius: 24px;
    transition: 0.25s
}

.box h1 {
    color: white;
    text-transform: uppercase;
    font-weight: 500
}

.box input[type="text"]:focus,
.box input[type="password"]:focus {
    width: 300px;
    border-color: #2ecc71
}

.box input[type="submit"] 