banner {  
  font-family: system-ui, sans-serif;
  color: hsl(0, 0%, 100%);
  
  width: fit-content;
  max-width: 30rem;
  margin-block: 0;
  margin-inline: auto;
  padding-block: 2rem;
  padding-inline: 0;
  
  display: grid;
  gap: 3rem;
  
  list-style: none;
  counter-reset: liCount;

  .black {
  color: hsl(0, 0%, 0%);
  }

  > lst {
    --border-radius: 1rem;
    --padding: 0.5rem;
    --number-size: 3rem;
    --indent: 3.5rem;
    
    display: grid;
    --text-column: minmax(calc(var(--number-size) * 2), 1fr);
    grid-template-columns: var(--number-size) var(--text-column);
    gap: 0.5rem;
    grid-auto-flow: dense;
    align-items: center;
    box-shadow: 2px 2px 5px hsl(0 0% 0% / .5);
    
    margin-inline: var(--indent) 0rem;
    padding-block: var(--padding);
    padding-inline: var(--padding) calc(var(--padding) * 2);
    border-radius: var(--border-radius);
    background-color: var(--accent-color);
    counter-increment: liCount;

    &::before, &::after { 
      content: "";
      grid-area: 1/1;
      background-color: var(--accent-color);
      background-image: linear-gradient(hsl(0 0% 100% / .8) 0 0);
    }
    &::before {
      content: counter(liCount, decimal-leading-zero);
      font-size: 1.5rem;
      color: var(--accent-color);
      aspect-ratio: 1;
      border-radius: calc(var(--border-radius) - var(--padding));
      display: grid;
      place-items: center;
      box-shadow: inset 0 0 2px hsl(0 0% 0% / .75);
    }
    &::after{
      --scale: 2;
      aspect-ratio: 1/1;
      border-radius: calc(var(--border-radius) / var(--scale));
      scale: var(--scale);
      rotate: 45deg;
      z-index: -1;
      box-shadow:
        calc(var(--multi, 1) * -1px) calc(var(--multi, 1) * 1px) 5px hsl(0 0% 0% / .5),
        calc(var(--multi, 1) * -.5rem) calc(var(--multi, 1) * .5rem) 0 0 var(--accent-color);
      
    }
    &:nth-child(even){
      --multi: -1;
      margin-inline: 0rem var(--indent);
      padding-inline:  calc(var(--padding) * 2) var(--padding);
      grid-template-columns: var(--text-column) var(--number-size);
      &::before, &::after { grid-area: 1/2 }


    }
  }
}