a.site-map_btn {
  display: inline-block;
  background: transparent;
  color: #555555;
  border: 1px solid #cccccc;
  border-radius: 0px;
  width: 100%;
  font-size: 100%;
  line-height: 1.9;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  padding: 1em;
  margin-bottom: 10px;
  transition: all 0.7s;
}
a.site-map_btn:visited {
  background: transparent;
  color: #555555;
  border: 1px solid #cccccc;
  text-decoration: none;
}
a.site-map_btn:active {
  background: transparent;
  color: #333333;
  border: 1px solid #cccccc;
  text-decoration: none;
}
a.site-map_btn:hover {
  background: transparent;
  box-shadow: 0 0 0 300px #f3f3f3 inset;
  border-color: #cccccc;
  color: #333333;
  text-decoration: none;
  opacity: 1;
}