JSFiddle - React, Tailwind, and code Playground

by jxnx888

HTML

<div class='wave'></div>

CSS

.wave{
  background:
    linear-gradient(to right, sandybrown, chocolate);
  height: 50px;
  position: relative;
}
.wave::before{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  background-repeat: repeat;
  height: 10px;
  background-size: 20px 20px;
  background-image:
    radial-gradient(circle at 10px -5px, transparent 12px, aquamarine 13px);
}
.wave::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  background-repeat: repeat;
  height: 15px;
  background-size: 40px 20px;
  background-image:
    radial-gradient(circle at 10px 15px, aquamarine 12px, transparent 13px);
}