.is-sticky{position:fixed;top:0;width:100%;z-index:999}.colorRv{color:#ecfa31;font-weight:700}.header-section{position:relative;transition:all .3s ease-in-out;z-index:1000}.header-section.is-sticky{position:fixed;top:0;left:0;width:100%;background-color:white;box-shadow:0 2px 5px rgba(0,0,0,.1);z-index:1000}