CTA banner subtitle

.btn-191 {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  width: 100%;
  max-width: 420px;
  text-align: left;
  color: #fff;
  background: #111827;
  border: 0;
  border-radius: 14px;
  padding: 20px 26px;
  cursor: pointer;
  box-shadow: 0 10px 30px -10px #111827aa;
  transition: background .2s,transform .2s,box-shadow .2s
}
.btn-191 span {
  font: 700 18px/1.1 system-ui,sans-serif
}
.btn-191 small {
  font: 400 13px/1.3 system-ui,sans-serif;
  color: #9ca3af
}
.btn-191:hover {
  background: #1f2937;
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px #111827cc
}
.btn-191:focus-visible {
  outline: 3px solid #111827;
  outline-offset: 3px
}
.btn-191:active {
  transform: translateY(0);
  background: #000
}

<button class="btn-191"><span>Open the editor</span><small>No account needed</small></button>