File: public/js/tinymce/src/skins/lightgray/src/main/less/desktop/TextBox.less

// TextBox

.@{prefix}-textbox {
  background: @textbox-bg;
  border: 1px solid @textbox-border;
  .border-radius(3px);
  .box-shadow(@textbox-box-shadow);
  display: inline-block;
  .transition(~"border linear .2s, box-shadow linear .2s");
  height: 28px;
  resize: none;
  padding: 0 4px 0 4px;
  white-space: pre-wrap;
  *white-space: pre;
  color: @text;
}

.@{prefix}-textbox:focus, .@{prefix}-textbox.@{prefix}-focus {
  border-color: @textbox-border-focus;
  .box-shadow(@textbox-box-shadow-focus);
}

.@{prefix}-placeholder .@{prefix}-textbox {
  color: @textbox-text-placeholder;
}

.@{prefix}-textbox.@{prefix}-multiline {
  padding: 4px;
  height: auto;
}

.@{prefix}-textbox.@{prefix}-disabled {
  color: mix(@text, @textbox-bg, 40%);
}

// RTL

.@{prefix}-rtl .@{prefix}-textbox {
  text-align: right;
  direction: rtl;
}