html,
body {
  height: 100%;
}

body {
  display: contents;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}

.form-signin {
  max-width: 330px;
  padding: 15px;
}

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

.form-signin input[type="tel"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.form-signin input[type="password"] {
  margin-bottom: 10x;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.form-floating > .form-control::placeholder {
  color: revert;
}

.form-floating > .form-control:not(:focus)::placeholder {
  color: transparent;
}