html { height: 100%; }
body {
    height: 100%;
    margin:0px;
    padding: 0px;
    background: url("../assets/logotipo_misselsoft.gif") no-repeat center top;
}

.flip-container {
    perspective: 1000px;
    float: left;
}
    
.flip-container:hover .flipper, .flip-container.hover .flipper {
    transform: rotateY(180deg);
}

.flipper {
    transition: 0.6s;
    transform-style: preserve-3d;

    position: relative;
}

.front, .back {
    backface-visibility: hidden;

    position: absolute;
    top: 0;
    left: 0;
}

.front {
    z-index: 2;
    transform: rotateY(0deg);
}

.back {
    transform: rotateY(180deg);
}

.flip-container:hover .flipper, .flip-container.hover .flipper, .flip-container.flip .flipper {
    transform: rotateY(180deg);
}