.is-style-tanzaku-post-navigation-link a {
  -webkit-transition: 0.3s;
  transition: 0.3s;
  background: #000;
  color: #fff;
  border: 1px solid #ccc;
  display: inline-block;
  line-height: 1;
  padding: 20px 0px;
  text-align: center;
  width: 88px;
}
.is-style-tanzaku-post-navigation-link a:hover {
  background: #fff;
  color: #000;
}