.fa.own-icon {
  width: 1.75em;
  height: 1.75em;
  background-size: contain;
  vertical-align: -0.55em;
  margin-right: 0.25em;
}

.fa.own-icon.telekom {
  background-image: url("../images/telekom.png");
}
.fa.own-icon.one {
  background-image: url("../images/one.png");
}
.fa.own-icon.ip {
  background-image: url("../images/ip.png");
}