.flag-icon-background {
    background-size: contain;
    background-position: 50%;
    background-repeat: no-repeat;
}

.flag-icon {
    background-size: contain;
    background-position: 50%;
    background-repeat: no-repeat;
    position: relative;
    display: inline-block;
    width: 1.33333333em;
    line-height: 1em;
}

.flag-icon:before {
    content: '\00a0';
}

.flag-icon.flag-icon-squared {
    width: 1em;
}

.flag-icon-cz {
    background-image: url(../img/flags/4x3/cz.svg);
}

.flag-icon-cz.flag-icon-squared {
    background-image: url(../img/flags/4x3/cz.svg);
}

.flag-icon-gb {
    background-image: url(../img/flags/4x3/gb.svg);
}

.flag-icon-gb.flag-icon-squared {
    background-image: url(../img/flags/4x3/cz.svg);
}