.promobox {
  background: url("http://placehold.it/400x500") no-repeat scroll center center transparent;
}

.promobox > blockquote.bottom { 
	position: absolute; 
  bottom: 85px; 
  height: 65px;
  background: transparent;
  opacity: 1;
  padding: 1em 40px;
  width: auto;
  text-align: center;
}

.promobox > blockquote > h3 { margin: 0; font-size: 14px; color: black; }