.banner-home {

}

.banner-home img {width: 100%;}

/* height x width ratio */

.same-ratio { 
  position: relative;
}

.same-ratio::after {
  content: '';
  display: block;
  padding-top: 33.33%;  
}

.same-ratio-content {
  overflow:hidden;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
}

@media all and (max-width: 768px) {
	.same-ratio::after {

	}
}