.custom-header{position:fixed;top:-100px;left:0;width:100%;background-color:rgba(255,255,255,0.9);transition:top 0.4s ease-in-out;box-shadow:0px 4px 10px rgba(0,0,0,0.1);z-index:9999}.custom-header{position:fixed;top:-120px;left:0;width:100%;background-color:rgba(255,255,255,0.95);transition:top 0.4s ease-in-out;box-shadow:0 4px 10px rgba(0,0,0,0.1);z-index:9999}