.ebookmain{overflow:hidden}.ebookinner{width:33.33%;float:left;padding:20px 30px;box-sizing:border-box}.ebookinner a{display:block;text-align:center}.ebookinner:nth-child(3n+4){clear:left}@media screen and (max-width:991px){.ebookinner{width:50%}.ebookinner:nth-child(3n+4){clear:none}.ebookinner:nth-child(odd){clear:left}}@media screen and (max-width:480px){.ebookinner{width:100%}.ebookinner:nth-child(odd){clear:none}}