#feedback {
    padding: 10px 30px;
    font-size: 20px;
    position: relative;
    top: 13px;
    border-radius: 18px;
    font-weight: 700;
    display: none;
}
#feedback.warning {
    background: orangered;
    display: inline-block;
}
#feedback.success {
    background: lightgreen;
    display: inline-block;
}
.invisible {
    display: none;
}


/* NOT NEEDED... */
body, html {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: #F7F2ED;
    font-size: 14px;
}
body {
    padding: 100px;
}