<img src="assets/img/divider-triangle.png" class="divider" />
#banner {
  width: 100%;
  height: 75vh;
  background: url(assets/img/img-c.jpg) top left;
  background-size: cover;
  position: relative;
}
.divider {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 100px;}
  /* drop the height to have a constant angle for all screen widths */

 download img transpart