h1 {
  font-size: 2.2em;
}

.flip {
  position: relative;
}
.flip > .front,
.flip > .back {
  display: block;
  transition-duration: 0.5s;
  transition-property: transform, opacity;
}
.flip > .front {
  transform: rotateY(0deg);
}
.flip > .back {
  position: absolute;
  opacity: 0;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  transform: rotateY(-180deg);
}
.flip:hover > .front {
  transform: rotateY(180deg);
}
.flip:hover > .back {
  opacity: 1;
  transform: rotateY(0deg);
}
.flip.flip-vertical > .back {
  transform: rotateX(-180deg);
}
.flip.flip-vertical:hover > .front {
  transform: rotateX(180deg);
}
.flip.flip-vertical:hover > .back {
  transform: rotateX(0deg);
}

.flip {
  position: relative;
  display: inline-block;
  margin-right: 2px;
  margin-bottom: 1em;
  width: 100%;
}
.flip > .front,
.flip > .back {
  display: block;
  color: rgb(255, 255, 255);
  width: inherit;
  background-size: cover !important;
  background-position: center !important;
  height: 220px;
  padding: 1em 2em;
  background: #313131;
  border-radius: 10px;
}
.flip > .front p,
.flip > .back p {
  font-size: 0.9125rem;
  line-height: 160%;
  color: #999;
}

.flip-grid{
    /* background-color: red;
    display: grid;
    grid-template-columns: repeat(3, 1fr); */
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.flip-grid img{
    width: 100%;
    height: 100%;
}