html,
body{
  height: 100%;
}

body {
    background-image: url(img/frame_final.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    background-color: #464646;
}
@media (max-width:400px) .top_banner{width: 100%;}
@media (min-width:401px) .top_banner{display:none;}


.form-signin {
  width: 100%;
  max-width: 1080px;

  margin-left:25px;
  margin-top:20px;
  font-family: 'Hind Siliguri', sans-serif;
}