.flag-icon-fr{
  background: url(../icons/fr.svg);
  width: 1em;
  background-size: contain;
  background-position: 50%;
  background-repeat: no-repeat;
  display: inline-block;
  box-sizing: border-box;
  height: 1em;
}

.flag-icon-us{
  background: url(../icons/us.svg);
  width: 1em;
  background-size: contain;
  background-position: 50%;
  background-repeat: no-repeat;
  display: inline-block;
  box-sizing: border-box;
  height: 1em;
}