#contentq {background-color: #f4f3f3!important;}
img.pub_img {max-width: 100%; height: auto;}
a.pub_back {background: url(/src/img/pub_back.png) no-repeat 0px 10px; transition: 0.5s; min-height: 60px; float: left; display: block;}
a.pub_back:hover {background-image:  url(/src/img/pub_back_r.png); transition: 0.5s; background-color: #f4f3f3;}