.project-nav{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-align:center;-ms-flex-align:center;align-items:center;margin-left:-5px;margin-right:-5px;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;margin-bottom:60px}.project-nav li{cursor:pointer;-webkit-transition:0.5s;-o-transition:0.5s;transition:0.5s;font-weight:500;padding:2px 20px;margin-bottom:5px;margin-left:5px;margin-right:5px;color:#000}.project-nav li.active{background:#FF8F26}.limestone-masonry-filter ul{list-style:none;padding:0;margin:0}