#social_block {
  padding: 10px 0;
  color: #000;
}
#social_block h4 {
  margin: 0 0 30px 0;
}
#social_block li span {
  width: 100%;
  display: block;
  text-align: center;
}
#social_block .list-inline li {
  padding: 0px 5px;
}