/* Кастомные иконки Font Awesome (нет в FA 4.7) */
.fa.fa-max:before {
  content: "";
  display: inline-block;
  width: 1.05em;
  height: 1.05em;
  vertical-align: -0.15em;
  background-color: currentColor;
  -webkit-mask: url("/images/icons/max.svg") no-repeat center / contain;
  mask: url("/images/icons/max.svg") no-repeat center / contain;
}