/* Medium devices */
@media (min-width: 768px) {
  /* header */
  header {
    background-attachment: fixed;
  }
  header .content-header h1 {
    font-size: 4.5rem ;
  }
  header .content-header p::after {
    font-size: 2.5rem;
    width: 4px;
    height: 45px;
    top: 10px;
    right: -8px;
  }
  header .content-header p::before {
    font-size: 2.5rem;
  }
}