Neo-brutal colour shadow

Neo-brutal colour shadow: a CSS button. Copy the rules, or the prompt that rebuilds it.

brutalistneo-brutalistcoloured-shadowrounded

CSS
.btn-047 {
  font: 700 15px/1 system-ui,sans-serif;
  color: #1e1b4b;
  background: #fff;
  border: 2.5px solid #1e1b4b;
  border-radius: 8px;
  padding: 12px 24px;
  cursor: pointer;
  box-shadow: 4px 4px 0 #a5b4fc;
  transition: transform .1s,box-shadow .1s,background .1s
}
.btn-047:hover {
  box-shadow: 6px 6px 0 #6366f1;
  background: #eef2ff
}
.btn-047:focus-visible {
  outline: 3px solid #6366f1;
  outline-offset: 3px
}
.btn-047:active {
  transform: translate(4px,4px);
  box-shadow: 0 0 0 #6366f1
}
HTML
<button class="btn-047">Download</button>
Prompt

A neo-brutalist button with a coloured hard shadow: white fill, 2.5px #1e1b4b border, 8px radius, #1e1b4b 15px bold text, 12px by 24px padding, offset shadow 4px 4px in periwinkle #a5b4fc. Hover grows the shadow to 6px in indigo #6366f1 and tints the fill #eef2ff; active moves 4px down-right and drops the shadow. Focus outline 3px indigo.