.ad-block {
   background: url(img/ad-block.png) right bottom no-repeat #fff;
   font-size: 0.9em;
   width: 100%;
}

.ad-block ul {
  padding: 0;
  margin: 0;
  text-align: center;
  display: inline-block;
  width: 100%;
}

.ad-block li {
  list-style: none;
  width: 18%;
  padding: 0 1%;
  margin: 0;
  line-height: 20px;
  float: left;
  white-space:nowrap;
  overflow:hidden;
}

.ad-block li a {
  text-decoration: none;
  color: rgb(0, 0, 238);
  font-family: 'simsun', "arial", "sans-serif" !important;
}

.ad-block li a.red {
  color: #ff0000 !important;
}