message: protocol designer: add labware button fills slot
diff: @@ -237,8 +237,10 @@ textarea {
  position: absolute;
  left: 2px;
  right: 2px;
  + top: 2px;
  bottom: 2px;
  - font-size: 14pt;
  + padding-top: 50%;
  + font-size: 12pt;
  background-color: gray;
  color: black;
  margin: 10px;
  