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 {
    min-height: 100vh;
    min-width: 100vw;
    display: flex;
    flex-direction: column;
}

    body #main-content {
        flex-grow: 1;
    }

.footer {
    padding: 25px;
}