main{width:1100px!important}main .content .content_box{display:flex;flex-wrap:wrap}main .content .content_box .tool{margin:30px 0;padding:25px 25px 0 25px;width:300px;display:flex;flex-direction:column;background-color:#ddd;box-sizing:border-box;box-shadow:0 0 6px 1px #999}main .content .content_box .tool:not(:nth-child(3n+1)){margin-left:57px}main .content .content_box .tool .thumbnail_wrap{margin:0 auto 15px auto;padding:10px;width:100%;height:auto;display:flex;justify-content:center;align-items:center;box-sizing:border-box;background-color:#3ba3ee}main .content .content_box .tool .thumbnail_wrap img.thumbnail{width:32px;height:auto;display:block}main .content .content_box .tool h3{line-height:1.5em;padding:0!important;text-align:center;font-size:16px!important;border:none!important}main .content .content_box .tool h3 a{color:#2e8fd1}main .content .content_box .tool .description{margin-bottom:20px;font-size:16px}main .content .content_box .tool .link_btn{margin:auto auto 25px auto;width:100%;height:40px;line-height:40px;color:#fff;font-size:15px;text-decoration:none;text-align:center;display:block;border-radius:5px;background-color:#f3a13f}@media screen and (max-width:480px){main{width:100%!important}main .content .content_box{display:flex;flex-wrap:wrap;border:none!important}main .content .content_box .tool{margin:0;padding:20px 20px 0 20px;width:100%;background-color:#ddd;box-sizing:border-box;box-shadow:0 0 6px 1px #999}main .content .content_box .tool:not(:nth-child(3n+1)){margin-left:0}main .content .content_box .tool:not(:last-child){margin-bottom:50px}main .content .content_box .tool h3{padding:0!important;text-align:center;border:none!important}main .content .content_box .tool h3 a{color:#2e8fd1}main .content .content_box .tool .description{margin-bottom:20px}main .content .content_box .tool .link_btn{margin:auto auto 20px auto;width:100%;height:40px;line-height:40px;color:#fff;font-size:14px;text-decoration:none;text-align:center;display:block;border-radius:5px;background-color:#f3a13f}}