* {
    margin: 0;
    padding: 0;

    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;

    font-family: Roboto;
    color: #222222;
    font-size: 16px;
    font-weight: 400;
}

body {
    background: #111;
}

#auth {
    width: 400px;
    height: 250px;
    margin: 100px auto;
    
    padding: 15px 60px;
    
    background: #222;
}

#auth input {
    display: block;
    margin: 50px auto 40px auto;
    width: 100%;
    height: 40px;
    outline: 0;
    border: none;
    border-bottom: 1px solid #eee;
    background: transparent;
    text-align: center;
    font-size: 18px;
    letter-spacing: 2px;
    color: #eeeeee;
}

#auth input.wrong {
    border-bottom: 1px solid #ee1111;
}

#auth .btn {
    display: block;
    margin: 40px auto;
    width: 100%;
    height: 40px;
    outline: 0;
    background: transparent;
    
    border: 1px solid #eee;
    color: #eee;
    text-align: center;
    line-height: 40px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
    transition-duration: 300ms;
    cursor: pointer;
}

#auth .btn:hover {
    background: #eee;
    color: #111111;
}