#site-navbar:after{content:"";position:absolute;top:calc(100% - 1px);left:0;width:100%;height:14px;background:#fff;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 14' preserveAspectRatio='none'%3E%3Cpath d='M0 0h400v3l-18 2-22 5-30-1-26 3-34-4-28 2-30 4-32-3-24-1-26 4-30-2-24-3-16 0z'/%3E%3C/svg%3E") repeat-x 0 0 / 400px 100%;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 14' preserveAspectRatio='none'%3E%3Cpath d='M0 0h400v3l-18 2-22 5-30-1-26 3-34-4-28 2-30 4-32-3-24-1-26 4-30-2-24-3-16 0z'/%3E%3C/svg%3E") repeat-x 0 0 / 400px 100%;pointer-events:none}#site-navbar.is-stuck{position:fixed;inset:0 0 auto 0;box-shadow:0 4px 20px #00000014;animation:header-slide-down .4s ease forwards}@keyframes header-slide-down{0%{transform:translateY(-100%)}to{transform:translateY(0)}}