textext.plugin.arrow.css

.text-core .text-wrap .text-arrow {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: url("arrow.png") 50% 50% no-repeat;
  cursor: pointer;
  z-index: 2;
}