.fib{background-size:contain;background-position:50%;background-repeat:no-repeat}
.fi{background-size:contain;background-position:50%;background-repeat:no-repeat;position:relative;display:inline-block;width:1.33333333em;line-height:1em}
.fi:before{content:'\00a0'}

.fi-bg{background-image:url(./4x3/bg.svg)}
.fi-bg.fis{background-image:url(./1x1/bg.svg)}

.fi-gb,
.fi-gbp,
.fi-en {background-image:url(./4x3/gb.svg)}
.fi-gb.fis,
.fi-gbp.fis {background-image:url(./1x1/gb.svg)}

.fi-ru,
.fi-rub{background-image:url(./4x3/ru.svg)}
.fi-ru.fis,
.fi-rub.fis{background-image:url(./1x1/ru.svg)}

.fi-eu,
.fi-eur {background-image:url(./4x3/eu.svg)}
.fi-eu.fis,
.fi-eur.fis{background-image:url(./1x1/eu.svg)}

.fi-gb-eng{background-image:url(./4x3/gb-eng.svg)}
.fi-gb-eng.fis{background-image:url(./1x1/gb-eng.svg)}