#our_table ul {
  margin: 0;
}

#our_table li {
  width:30px;
  height:30px;
  text-align:center;
  vertical-align:middle;
  background-color:#B0D1D3;
  display: inline-block;
  margin: 1px -1px;
  line-height: 30px;
  cursor: pointer;
}

#our_table li.highlighted {
  background-color:#2D7073;
}