#municipality_all .books .cover img {
    margin: 7px auto 0;
    background: none repeat scroll 0 0 #333333;
    box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.4);
    display: block;
    width: auto;
    height: auto;
    max-width: 160px !important;
	max-height: 175px;
}

@media screen and (max-width:500px){
#municipality_all .books .cover img {
  max-height: 130px;
}
}