* { box-sizing:border-box}

#articles LI{ width:25%; border-bottom:none; margin: 15px 0;  padding:0 5px}
#articles LI:nth-child(5),
#articles LI:nth-child(9),
#articles LI:nth-child(13) { clear:both}

div.artmedia {width: 100%;	margin: 0 0 10px 0;}
.artmedia IMG {max-width: 100%;max-height:100%; border:1px solid #fff}

div.lnkwrp { margin:15px 0 0; float:left}