html,
body {
  width: 100%;
  height: 100%;
  background-color: #333;
  
}
body {
  box-shadow: inset 0 0 5rem rgba(0,0,0,.5);
  color: #fff;
  text-align: center;
  text-shadow: 0 .05rem .1rem rgba(0,0,0,.5);
}



.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
  margin-bottom: 10px;
}
.form-signin .checkbox {
  font-weight: 400;
}
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  margin-bottom: 10px;
  /* border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;*/
}