#captcha-container {
    display: -webkit-box; display: -webkit-flex; display: -ms-flexbox; display: flex;
    -webkit-box-pack: center; -webkit-justify-content: center; -ms-flex-pack: center; justify-content: center;
    padding-left: 0; padding-right: 80px; list-style: none;
}
#captcha-container > li:first-child { width: 160px; }
#captcha-container input[type=text] { width: 100px; }
#captcha-container button { width: 160px; position: relative; top: -2px; border-top-right-radius: 0; border-top-left-radius: 0; }
#captcha-container #captcha { border: 1px solid #999999; border-bottom: none; border-top-right-radius: 5px; border-top-left-radius: 5px; }
.captcha-error { color: red; text-transform: uppercase; }