.fib,.fi{background-size:contain;background-position:50%;background-repeat:no-repeat}
.fi{position:relative;display:inline-block;width:1.333333em;line-height:1em}
.fi:before{content:" "}.fi.fis{width:1em}
.fi-south_america{background-image:url(../flags/4x3/south_america.svg)}
.fi-asia{background-image:url(../flags/4x3/asia.svg)}