.SG_flyer a {
  display: block;
  width: min(90%, 500px);
  margin: 30px auto;
  transition: all .1s;
}
.SG_flyer a:hover {
  filter: brightness(85%) contrast(120%);
}
.SG_flyer a img {
  width: 100%;
  height: auto;
}


@media screen and (max-width: 640px){

	
	
}