.aligncenter {
  display: table;
  margin: auto;
}

.pss-button_block a {
  background-color: #27225e;
  color: #fff;
  padding: 10px 20px;
  display: flex;
  border-radius: 6px;
  text-decoration: none;
  transition: 0.5s all;
  border: 1px solid #27225e;
  text-align: center;
}

.pss-button_block a:hover {
  background-color: #fff;
  color: #27225e;
}