body {
  display: grid;
  font-family: system-ui, sans-serif;
  margin: 0;
  min-height: 100dvh;
  place-items: center;
}

.tag {
  background-color: red;
  border-radius: 30px 70px 70px 30px / 30px 50% 50% 30px;
  box-shadow: 0 10px 0 0 rgba(0, 0, 0, 0.08);
  color: white;
  corner-shape: round bevel bevel round;
  font-size: 3rem;
  font-weight: bold;
  padding: 50px 90px 50px 50px;
}

.support {
  background-color: red;
  padding: 5px;
  position: fixed;
  text-align: center;
  top: 0;
  width: 100%;
}

@supports (corner-shape: round) {
  .support {
    display: none;
  }
}