html,
body {
  height: 100%;
}

body {background: #efefef;}

.form-signin {max-width: 400px; width: 90%; transform: translate(-50%, -60%);}

.form-signin .form-floating:focus-within {
  z-index: 2;
}

.form-signin input[type="email"] {
  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;
}

img {max-width: 100%;}