.check {
  width: 250px;
  height: 150px;
  display: block;
  margin-left: 50px;
}
.check::before {
  position: relative;
  display: inline-block;
  background-color: lightgreen;
  width: 150px;
  transform: rotate(-50deg);
  height: 50px;
  margin-top: 50px;
  content: "\00a0 ";
}
.check::after {
  position: absolute;
  display: inline-block;
  background-color: lightgreen;
  width: 90px;
  height: 50px;
  transform: rotate(40deg);
  margin-top: 75px;
  margin-left: -168px;
  content: "\00a0 ";
}
.rounded::before {
  border-radius: 50px;
}
.rounded::after {
  border-radius: 50px;
}
img {
  width:50%
}