html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}
/*
body {
  margin-bottom: 60px;
}
*/
body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
}

form {
    max-width: 400px;
    margin: auto;
    display: flex;
    flex-direction: column;
}

input, textarea, button {
    margin: 10px 0;
    padding: 10px;
}