.custom-sticky-header{position:fixed;top:-100px;left:0;transition:0.4s;z-index:9999;-webkit-box-shadow:0 0 4px 0 rgb(0 0 0 / .2);-moz-box-shadow:0 0 4px 0 rgb(0 0 0 / .2);box-shadow:0 0 4px 0 rgb(0 0 0 / .2)}.custom-sticky-header.show{top:0;transition:0.4s}