.login-container {
  background: url('../images/login_cover.jpg') no-repeat;
  background-size: auto auto;
  background-size: cover;
}
.captcha-img {
  display: inline;
  position: relative;
  left: 0;
}
.captcha-input {
  display: inline;
  width: 50%;
  height: 50px;
  text-align: center;
  position: absolute;
  right: 0;
}