.pifu_background_img{width:5rem;height:8rem;background-repeat:no-repeat;background-size:100% 100%}.pifu_item{padding:.6rem}.pifu_name{padding-bottom:.6rem}.pifu_content{position:relative;padding:0 .6rem}.checked_pifu{background-color:#f0f0f0;-webkit-transition:all .4s;transition:all .4s}.fixed_div{position:fixed;left:0;right:0;bottom:0;height:50px;background:#fff;-webkit-box-shadow:0 0 1px #aaa;box-shadow:0 0 1px #aaa;padding:8px}