body {
  padding-top: 40px;
  padding-bottom: 40px;
  background-image: url(back.gif);
  background-position: center top;
}

.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin-heading {
  margin-bottom: 10px;
}
.form-control {
  position: relative;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-control:focus {
  z-index: 1;
}
.form-signin input[type="text"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}