.kinfw-project-item.kinfw-project-style-3:before{content:"";position:absolute;left:0;bottom:0;width:100%;height:100%;background-color:rgba(255,255,255,0);background:linear-gradient(0deg,rgba(255,255,255,0%) 0%,rgba(0,0,0,0) 100%);transition:all .5s ease-in}