Bold outline fill

Bold outline fill: a CSS button. Copy the rules, or the prompt that rebuilds it.

outlinerectanglefill-on-hover2px-border

CSS

.btn-010 {
  font: 600 15px/1 system-ui,sans-serif;
  color: #0f766e;
  background: transparent;
  border: 2px solid #0f766e;
  border-radius: 8px;
  padding: 11px 22px;
  cursor: pointer;
  transition: background .18s,color .18s
}
.btn-010:hover {
  background: #0f766e;
  color: #fff
}
.btn-010:focus-visible {
  outline: 3px solid rgba(15,118,110,.4);
  outline-offset: 2px
}
.btn-010:active {
  background: #115e59;
  border-color: #115e59
}

HTML

<button class="btn-010">Sign up</button>

Prompt

An outline button with a 2px teal border #0f766e and teal text, 15px semibold, 8px radius, 11px by 22px padding, transparent background. On hover it fills solid teal with white text (180ms). Active is #115e59. Focus ring 3px translucent teal.

Bold outline fill

Same shelf