body {
    background-color: #2c3e50;
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 0;
}
input {
    display: block;
    margin: 30px auto;
    padding: 15px;
    background: none;
    border-radius: 25px;
    outline: none;
    width: 200px;
    text-align: center;
}
::placeholder {
    color: #ecf0f1;
}
input[type="text"], input[type="password"] {
    border: 3px solid #ecf0f1;
    transition: 0.2s;
}
input[type="text"]:focus, input[type="password"]:focus {
    width: 280px;
    border-color:#f39c12;
}
input[type="submit"] {
    border: 2px solid #f39c12;
    color: #f39c12;
    font-size: 19px;
    cursor: pointer;
    transition: 0.5s;
}
input[type="submit"]:hover {
    background-color: #f39c12;
    color:#ecf0f1;
}
#box {
    width: 300px;
    background-color: #8e44ad;
    text-align: center;
    padding: 40px;
    border-radius: 25px;
}
h1 {
    color: #ecf0f1;
    text-transform: uppercase;
    font-weight: 300;
    letter-spacing: 12px;
}
h1 span {
    display: block;
    letter-spacing: 7px;
    color: #2c3e50;
    margin-bottom: 50px;
}