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;
}

#drop-area {
    border: 2px dashed #0078d4;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    font-family: sans-serif;
    background: #f9f9f9;
}

#drop-area.highlight {
    background: #e1efff;
}

.btn-invia {
    margin-top: 20px;
    padding: 10px 25px;
    background: #0078d4;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 16px;
    display: none;
}