.ast-primary-header-bar.ast-primary-header.main-header-bar.site-primary-header-wrap.site-header-focus-item.ast-builder-grid-row-layout-default.ast-builder-grid-row-tablet-layout-default.ast-builder-grid-row-mobile-layout-default {
  position: fixed;
  top: 0px;
  width: 100%;
}

.ast-primary-header-bar.ast-primary-header.main-header-bar.site-header-focus-item {
  position: fixed;
  top: 0px;
  width: 100%;
  margin: 20px;
  z-index: 99999;
  opacity: 0.8;
}

.ast-primary-header-bar.ast-primary-header.main-header-bar.site-header-focus-item.scrolled {
  background-color: #e4e8e4; /* Cambia a tu color deseado */
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}