@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
   /* стили только для IE10 IE11 */
.fa-xlg {
background-size: 73px auto;
}
  .fa-user {
    background-position: -36px -25px;
  }
  .fa-search {
    background-position: -19px -61px;
  }
  .fa-file-o {
    background-position: -52px -13px;
  }
  .btn:hover .fa-file-o {
    background-position: -5px -44px;
  }
  .fa-clock-o {
    background-position: -22px 2px;
  }
  .fa-download {
    background-position: -37px -14px;
  }
  .btn:hover .fa-download {
    background-position: -5px -60px;
  }

  .fa-book {
    background-position: -21px -29px;
  }
  .btn:hover .fa-book {
    background-position: -51px -44px;
  }

  .fa-calendar {
    background-position: -6px 2px;
  }

  .fa-shopping-cart {
    background-position: -12px -26px;
  }
  .fa-upload {
    background-position: -38px -77px;
  }
  .fa-phone {
    background-position: -53px 3px;
  }
  .fa-map-marker {
    background-position: -37px 2px;
  }
  .fa-credit-card {
    background-position: -12px -4px;
  }
  .fa-hdd-o {
    background-position: -53px -29px;
  }
  .btn:hover .fa-hdd-o {
    background-position: -21px -44px;
  }
  .fa-wrench {
   background-position: -36px -1px;
  }
  .fa-envelope {
    background-position: -5px -14px;
  }
  .fa-file-text-o {
    background-position: -53px -13px;
  }
  .btn:hover .fa-file-text-o {
    background-position: -6px -44px;
  }
  .btn-success .fa-file-text-o {
    background-position: 0 -59px;
  }
  .btn.btn-success:hover .fa-file-text-o {
    background-position: -59px -19px;
  }
  .fa-location-arrow {
    background-position: -21px -13px;
  }
  .fa-list {
    background-position: -12px -50px;
  }

}