.flag-icon {
  display: inline-block;
  width: 20px;
  height: 14px;
  border-radius: 2px;
  vertical-align: middle;
  font-style: normal;
  overflow: hidden;
  position: relative;
  font-size: 0;
  line-height: 14px;
}
.flag-ru {
  background: linear-gradient(
    to bottom,
    #fff 33%,
    #0039a6 33% 66%,
    #d52b1e 66%
  );
}