html,
body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background: url('../img/backg.jpg') no-repeat center center fixed;
  background-size: cover;
}

.form-signin {
  width: 100%;
  max-width: 360px;
  padding: 20px;
  margin: auto;
}

.signin-title {
  color: #fff;
  font-size: 1.85rem;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 0 0 10px #000, 0 0 20px #000, 0 0 40px #000;
}

.signin-subtitle {
  color: #fff;
  font-style: italic;
  font-size: 0.9rem;
  margin-bottom: 15px;
  text-shadow: 0 0 10px #000, 0 0 20px #000, 0 0 40px #000;
}

.form-signin .form-control {
  background-color: rgba(0, 0, 0, 0.55);
  border-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 0.75rem 0.9rem;
}

.form-signin .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-signin .form-control:focus {
  background-color: rgba(0, 0, 0, 0.55);
  border-color: #00c402;
  box-shadow: 0 0 0 0.15rem rgba(0, 196, 2, 0.25);
  color: #fff;
}

.form-signin .input-group-text {
  background-color: #fff;
  border-color: #fff;
  color: #000;
  font-size: 1.1rem;
  min-width: 48px;
  justify-content: center;
}

.form-signin .input-group:focus-within .input-group-text {
  background-color: #fff;
  border-color: #00c402;
}

.form-signin .form-control:-webkit-autofill,
.form-signin .form-control:-webkit-autofill:hover,
.form-signin .form-control:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px rgba(0, 0, 0, 0.55) inset;
  -webkit-text-fill-color: #fff;
  caret-color: #fff;
}

.signin-title-icon {
  color: #00c402;
  margin-right: 8px;
  filter: drop-shadow(0 0 6px rgba(0, 196, 2, 0.6));
}

.signin-link {
  display: block;
  color: #fff;
  font-size: 0.85rem;
  text-decoration: none;
  margin-bottom: 15px;
  text-shadow: 0 0 10px #000, 0 0 20px #000;
}

.signin-link:hover {
  color: #fff;
  text-shadow: 0 0 10px #000, 0 0 20px #000, 0 0 40px #000;
}

.form-signin .btn-success {
  font-size: 1.2rem;
  padding: 12px;
  border-radius: 8px;
  background-color: #00c402;
  border-color: #00c402;
  color: #000;
  font-weight: 600;
  transition: all 0.3s ease;
}

.form-signin .btn-success:hover,
.form-signin .btn-success:focus {
  background-color: rgba(0, 196, 2, 0.3);
  border-color: #00c402;
  color: #000;
}

.signin-footer {
  color: #fff;
  font-size: 0.85rem;
  margin-top: 20px;
  text-shadow: 0 0 10px #000, 0 0 20px #000;
}

.signin-footer a {
  color: #fff;
  text-decoration: none;
}

.signin-footer a:hover {
  color: #fff;
  text-shadow: 0 0 10px #000, 0 0 20px #000, 0 0 40px #000;
}