img {max-width:100%; height:auto} 
.b5 {border:5px solid #fff}
#outer {display:none; position:fixed; z-index:1; padding-top:20px; left:0; top:0; width:100%; height:100%;
 overflow:auto; background-color:rgb(0,0,0); background-color:rgba(0,0,0,0.4)}
.inner {padding:15px; max-width:720px; background-color:#ddd; border-radius:15px; border:1x solid #888; margin:0 auto}
.title {color:#aaa; float:left; padding:10px; font-weight:bold}
.close {color:#aaa; float:right; padding:5px; font-size:48px; font-weight:bold}
.close:hover {color:#800; text-decoration:none; cursor:pointer}