.btn-twitter,
a.btn-twitter {
  color: #fff;
  background-color: #000000;
}
.btn-twitter:hover,
a.btn-twitter:hover {
  color: #fff;
  background: #000000;
}

.btn-fediverse,
a.btn-fediverse {
  color: #fff;
  background-color: #6364ff; 
}
.btn-fediverse:hover,
a.btn-fediverse:hover {
  color: #fff;
  background: #6364ff; /*98c934*/
}

.btn-bluesky,
a.btn-bluesky {
  color: #fff;
  background-color: #1da1f2; 
}
.btn-bluesky:hover,
a.btn-bluesky:hover {
  color: #fff;
  background: #1da1f2;
}

.btn-taittsu,
a.btn-taittsu {
  color: #fff;
  background-color: #8a8a8a; 
}
.btn-taittsu:hover,
a.btn-taittsu:hover {
  color: #fff;
  background: #8a8a8a;
}

.btn-mixi,
a.btn-mixi {
  color: #fff;
  background-color: #ff9a00; 
}
.btn-mixi:hover,
a.btn-mixi:hover {
  color: #fff;
  background: #ff9a00;
}

.btn-sns {
    margin-top: 10px;
}