header:not(.fixed-header) .custom-header {
    background: transparent !important;
}

.fixed-header .custom-header {
    padding: 5px 25px !important;
-webkit-box-shadow: 1px 4px 15px -3px rgba(0,0,0,0.25)!important; 
box-shadow: 1px 4px 15px -3px rgba(0,0,0,0.25)!important;
}

.custom-header {
    transition: all .3s ease-in-out ;
    -webkit-transition: all .3s ease-in-out 
}