:root {
  --primary-color: #121e3f;
  --primary-color-rgb:  18, 30, 63;  
  --secondary-color:  #3781b6;
  --secondary-color-rgb: 237, 33, 36;
  --tercer-color:  #225174;
  --tercer-color-rgb: 34, 81, 116;
}