.instaimg img {
   margin-bottom: 10px;
width: 90px;
height: 73px;
}
.instaimg img:hover {
	opacity:0.8;
	-moz-opacity:0.8;
	-webkit-opacity:0.8;
}
@media only screen and (max-width: 920px) {
.instaimg img {
   width:100%;
   height: auto;
  }
}