:root {
  --primary-color: #000000;
  --secondary-color: #0D47A1;
  --linear-color: rgba(13, 71, 161, 0.88);
  --grey: #E5E5E5;
  --darker-grey: #F1F1F1;
}

header {
  padding: 20% 2em;

  color: white;
  background: linear-gradient(var(--secondary-color), var(--linear-color));
  clip-path: polygon(0 0, 100% 0%, 100% 90%, 0% 100%);
}

section:not(#analyse) {
  padding: 20% 2em;
}

@media screen and (min-width: 1024px) {
  header {
    padding: 10%;
  }

  section:not(#analyse) {
    padding: 5% 10%;
  }
}