html {
  scroll-behavior: smooth;
}
body {
  margin-top: 5rem;
}
.text-lg { font-size: 1.5rem; }
input, textarea, select {
  background-color: rgb(255, 255, 255) !important;
  color: black !important;
}
.my-tooltip:hover { visibility: visible; }
.my-tooltip { 
  visibility: hidden;
  background-color: black;
  padding: .75rem;
  border-radius: 6px;
  position: absolute;
  z-index: 1;

  opacity: 0;
  transition: opacity 1s ease-in-out;
  -moz-transition: opacity 1s ease-in-out;
  -webkit-transition: opacity 1s ease-in-out;
}
input[type="text"].form-control:focus + div.my-tooltip,
select.form-control:focus + div.my-tooltip,
textarea.form-control:focus + div.my-tooltip
{
  visibility: visible;
  opacity: 1.0;
  transition: opacity .55s ease-in-out;
  -moz-transition: opacity .55s ease-in-out;
  -webkit-transition: opacity .55s ease-in-out;
}