width: 300px;
height: 300px;
background:
  linear-gradient(60deg, rgb(36 255 207 / 1) 0%,  50%, rgb(255 255 255 / 0) 50%) 146px 67px / 100px 170px no-repeat no-repeat, /* Right Side */
  linear-gradient(-60deg, rgb(36 255 207 / 1) 0%,  50%, rgb(255 255 255 / 0) 50%) 47px 67px / 100px 170px no-repeat no-repeat; /* Left Side */