斜線枠と背景色

HTML

<a href="">私たちについて</a>

CSS

a {
  display: block;
  padding: 30px 10px;
  width: 260px;
  color: #333;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  background-color: #90be70;
  border-image-source: repeating-linear-gradient( 45deg, #2b550e 0px, #2b550e 4px, rgba(0 0 0 / 0) 4px, rgba(0 0 0 / 0) 6px);
  border-image-slice: 3;
  border-width: 3px;
  border-image-repeat: round;
  border-style: solid;
}