:root {
  --color-blue: #3aa8db;
  --color-green: #41a62a;
  --color-dark: #313c4c;
}

/* Přepsání Bootstrap barev */
.bg-primary {
  background-color: var(--color-blue) !important;
}

.bg-success {
  background-color: var(--color-green) !important;
}

.bg-dark {
  background-color: var(--color-dark) !important;
}

.text-primary {
  color: var(--color-blue) !important;
}

.text-success {
  color: var(--color-green) !important;
}

.text-dark {
  color: var(--color-dark) !important;
}

body {
  color: #000;
  background-color: #f8f9fa;
}

#dropzone {
  cursor: pointer;
  transition: background-color 0.3s ease;
}
#dropzone.dragover {
  background-color: #e9f5ff;
}
@media (max-width: 768px) {
  #dropzone p {
    font-size: 0.9rem;
  }
}

/*Pro formatovani v content*/
<h3 class="h5">Záruka</h3>