.input-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
}
.inputtext {
  width: 100%;
  padding-right: 40px; /* 留空間給眼睛圖示 */
  box-sizing: border-box;
}

#eye_img {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  width: 24px;
  height: 24px;
}