newICSS/src/components/AddAssistCheck/Textarea/index.less

.divTextarea {
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 100px;
  border-bottom: 1px dashed #333;
  box-sizing: border-box;
  // min-height: 20px;
  // width: 100%;
  outline: none;
  line-height: 20px;
  resize: none;
  font-family: inherit;
}
.divTextarea:empty:before{ 
  content: '报告描述或意见'; 
  color: gray; 
} 
.divTextarea:focus:before{
  content:none;
}