.wavetopper{--mask:radial-gradient(156.2px at 50% 220px,#000 99%,#0000 101%) calc(50% - 200px) 0/400px 100%,radial-gradient(156.2px at 50% -120px,#0000 99%,#000 101%) 50% 100px/400px 100% repeat-x;background-color:var(--green);-webkit-mask:var(--mask);mask:var(--mask);padding:75px 30px}