.commentbox {
  background-color:#EDEDED;
  border:2px solid #666666;
  -webkit-border-radius:10px;
  -webkit-box-shadow:0 0 5px #888888;
  -webkit-box-shadow: rgba(0, 0, 0, 0.4);
}
.commentbox-arrow-down-border {
  border-color: #666666 transparent transparent transparent;
  border-style: solid;
  border-width: 10px;
  height:0;
  width:0;
  position:absolute;
  bottom:-22px;
  left:30px;
}
.commentbox-arrow-down {
  border-color: #EDEDED transparent transparent transparent;
  border-style: solid;
  border-width: 10px;
  height:0;
  width:0;
  position:absolute;
  bottom:-19px;
  left:30px;
}

.commentbox-arrow-up-border {
  border-color: #666666 transparent transparent transparent;
  border-style: solid;
  border-width: 10px;
  height:0;
  width:0;
  position:absolute;
  top:-22px;
  left:30px;
}
.commentbox-arrow-up {
  border-color: #EDEDED transparent transparent transparent;
  border-style: solid;
  border-width: 10px;
  height:0;
  width:0;
  position:absolute;
  top:-19px;
  left:30px;
}