#top-navigation {
    border-bottom: 1px solid #ddd;
    background: #7dba00;
    font-weight: bold;
    color: #fff;
}
h2.main-title {
    color: #8bc732;
    font-weight: bold;
}
.logo {
    padding-top: 16px;
}
#top-navigation .navbar-brand.img {
    padding-top: 9px;
}
.captcha_img{
    margin-left:100px;
  }
  .refresh_captcha{
    margin:0 20px;
  }