text-area样式

.presentation-notes-subflex-1__textarea {
  outline: none;
  resize: none;
  border: none;
  width: 39.285714285714286vw; /* 660 / 16.8 = 39.285714285714286 */
  height: 11.047619047619048vh; /* 116 / 10.5 = 11.047619047619048 */
  border:0.125rem solid black;
  background-color:white;
  border-radius: 0.25rem;