.t {
  border: 10px solid red;
  border-radius: 200px;
  padding: 15px;
  width: 150px;
  height: 150px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.st {
  border: 10px solid red;
  border-radius: 200px;
  padding: 15px;
  width: 100px;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sst {
  border: 10px solid red;
  border-radius: 200px;
  width: 50px;
  height: 50px;
}