.nav-up{top:-150px}.et-l--header{position:fixed;top:0px;width:100%;z-index:5}.et-l--header.nav-up{top:-150px}.et-l--header.nav-down{top:0px}#portfolio{margin:1rem 0;-webkit-column-count:2;-moz-column-count:2;column-count:2;-webkit-column-gap:1rem;-moz-column-gap:1rem;column-gap:1rem;-webkit-column-width:50%;-moz-column-width:50%;column-width:50%;align-items:flex-start;align-content:flex-start}.tile{display:none}.preContainer{position:fixed;top:0px;left:0px;width:100%;height:100vh;background:#fff;z-index:9999999}.preBg{animation:breathe 10s linear infinite;position:absolute;left:0px;right:0px;margin:0 auto;width:100%;text-align:center}.preContent{position:absolute;left:0px;right:0px;text-align:center;top:50%;transform:translateY(-50%)}