#iBlocks, .i-block {position:relative;margin:0 auto;width:300px;height:300px;box-shadow: 0 0 3px rgba(0,0,0,0.25);}
#iBlocks video, #iBlocks a, .i-block video, .i-block a  {display:block;position:relative;margin:0 auto}
#iBlocks, .i-block iframe {background-color:#ececec}