.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-ar {
    background-image: url(./images/flags/4x3/ar.svg);
}

    .flag-icon-ar.flag-icon-squared {
        background-image: url(./images/flags/1x1/ar.svg);
    }
/*捷克*/
.flag-icon-cs {
    background-image: url(./images/flags/4x3/cz.svg);
}

    .flag-icon-cs.flag-icon-squared {
        background-image: url(./images/flags/1x1/cz.svg);
    }

.flag-icon-en {
    background-image: url(./images/flags/4x3/us.svg);
}

    .flag-icon-en.flag-icon-squared {
        background-image: url(./images/flags/1x1/us.svg);
    }

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

    .flag-icon-hu.flag-icon-squared {
        background-image: url(./images/flags/1x1/hu.svg);
    }

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

    .flag-icon-fi.flag-icon-squared {
        background-image: url(./images/flags/1x1/fi.svg);
    }

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

    .flag-icon-fr.flag-icon-squared {
        background-image: url(./images/flags/1x1/fr.svg);
    }

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

    .flag-icon-it.flag-icon-squared {
        background-image: url(./images/flags/1x1/it.svg);
    }

.flag-icon-hi {
    background-image: url(./images/flags/4x3/in.svg);
}

    .flag-icon-hi.flag-icon-squared {
        background-image: url(./images/flags/1x1/in.svg);
    }

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

    .flag-icon-ru.flag-icon-squared {
        background-image: url(./images/flags/1x1/ru.svg);
    }

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

    .flag-icon-pt.flag-icon-squared {
        background-image: url(./images/flags/1x1/pt.svg);
    }

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

    .flag-icon-sk.flag-icon-squared {
        background-image: url(./images/flags/1x1/sk.svg);
    }

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

    .flag-icon-tr.flag-icon-squared {
        background-image: url(./images/flags/1x1/tr.svg);
    }

.flag-icon-zh {
    background-image: url(./images/flags/4x3/cn.svg);
}

    .flag-icon-zh.flag-icon-squared {
        background-image: url(./images/flags/1x1/cn.svg);
    }
.flag-icon-de {
    background-image: url(./images/flags/4x3/de.svg);
}

    .flag-icon-de.flag-icon-squared {
        background-image: url(./images/flags/1x1/de.svg);
    }
.flag-icon-es {
    background-image: url(./images/flags/4x3/es.svg);
}

    .flag-icon-es.flag-icon-squared {
        background-image: url(./images/flags/1x1/es.svg);
    }