.f1_container {
    position:relative;
    top:390px;
    padding-left:10px;
    margin:10px;
    width: 32px;
    height: 32px;
    float:left;
}
.f1_container {
    -webkit-perspective: 1000;
    perspective: 1000;
}
.f1_container:hover .f1_card {
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
}
.f1_container:active .f1_card {
    -webkit-transform: rotateY(360deg);
    transform: rotateY(360deg);
}
.f1_card {
    width: 100%;
    height: 100%;
    -webkit-transform-style: preserve-3d;
    -webkit-transition: all 0.3s linear;
    transform-style: preserve-3d;
    transition: all 0.3s linear;
}
.face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.face.back {
    display: block;
    -webkit-transform: rotateY(180deg);
    transform: rotateY(180deg);
    box-sizing: border-box;
    color: white;
    text-align: center;
}
.face.back.uk {
    background-image: URL(../img/flag_UK_flip.png);
}
.face.back.pl {
    background-image: URL(../img/flag_PL_flip.png);
}