/* Full opacity */
.opacity-100 {
    opacity: 1;
  }

  /* 90% opacity */
  .opacity-90 {
    opacity: 0.9;
  }

  /* 80% opacity */
  .opacity-80 {
    opacity: 0.8;
  }

  /* 70% opacity */
  .opacity-70 {
    opacity: 0.7;
  }

  /* 60% opacity */
  .opacity-60 {
    opacity: 0.6;
  }

  /* 50% opacity */
  .opacity-50 {
    opacity: 0.5;
  }

  /* 40% opacity */
  .opacity-40 {
    opacity: 0.4;
  }

  /* 30% opacity */
  .opacity-30 {
    opacity: 0.3;
  }

  /* 20% opacity */
  .opacity-20 {
    opacity: 0.2;
  }

  /* 10% opacity */
  .opacity-10 {
    opacity: 0.1;
  }

  /* 0% opacity */
  .opacity-0 {
    opacity: 0;
  }