#brx-header { position: absolute; top: 0; left: 0; width: 100%; z-index: 1000; background: transparent; }  #brx-header .header-floating { width: min(100% - 32px, 1366px); margin: 16px auto 0; padding: 14px 24px; background: transparent; border-radius: 14px; transition: background .3s ease, box-shadow .3s ease, margin .3s ease; }  #brx-header.sticky.scrolling .header-floating, #brx-header.scrolling .header-floating { background: rgba(255,255,255,.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 10px 30px rgba(0,0,0,.10); margin-top: 8px; }