/* FLIP BOX */
.flip-box {
    background-color: transparent;
    width: 100%;
    height: auto;
    padding-bottom: 100%;
    perspective: 1000px;
}
.flip-box-inner {
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    transform-origin: center;
}
.flip-box:hover .flip-box-inner {
    transform: rotateY(180deg);
}
.flip-box-front, .flip-box-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
.flip-box-front {
    background-color: #7f7f7f;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.flip-box-front.has-bg {
    overflow: hidden;
}
.flip-box-front.has-bg:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: black;
    opacity: .4;
    z-index: 1;
    transition: bottom 10ms ease-out;
}
.flip-box:hover .flip-box-front.has-bg:after {
    bottom: 95%;
    transition: bottom 10ms ease-out 800ms;
}
.flip-box-front .flip-box-titre {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}
.flip-box-front .flip-box-titre .h2 {
    color: white;
}
.flip-box-back {
    background-color: #7f7f7f;
    color: white;
    transform: rotateY(180deg);
    z-index: 3;
}
.flip-box-back .content {
    position: absolute;
    left: 0;
    right: 0;
	top: 50%;
	transform: translateY(-50%);
	padding-left: 16px;
	padding-right: 16px;
    z-index: 2;
}