.btn-link[onclick*="이미지 확대하기"] {
  padding: 0 15px 0 35px;
}

.btn-link[onclick*="이미지 확대하기"]::before {
  display: block;
  left: 8px;
  margin-top: -10px;
  width: 20px;
  height: 20px;
  background-image: url("https://chatbot.kt-aicc.com/images/20250721/a79aea1b460642df945ebd7029b246da.png");
}