.flag-icon,
.flag-icon-background {
    background-repeat: no-repeat;
    background-size: contain;
    background-position: 50%
}
.flag-icon {
    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-us {
    background-image: url(../icons/flag-icon-us.png);
    background-repeat : no-repeat;
    width : 33px;
    height : 19px;
}

.flag-icon-eu {
    background-image: url(../icons/flag-icon-eu.png);
    background-repeat : no-repeat;
    width : 33px;
    height : 19px;
}

.flag-icon-ch {
    background-image: url(../icons/flag-icon-ch.png);
    background-repeat : no-repeat;
    width : 33px;
    height : 19px;
}