body {
  background: #fbdcdc;
  height: 100%;
  margin: 0;
}

.birthday-card {
  position: relative;
  width: 300px;
  height: 395px;
  border: 10px solid #ef5050;
  margin: 60px auto 0 auto;
  -webkit-box-shadow: inset 10px 0px 15px 0px rgba(0, 0, 0, 0.1);
  box-shadow: inset 10px 0px 15px 0px rgba(0, 0, 0, 0.1);
  background-image: -webkit-gradient(
      linear,
      left top,
      left bottom,
      from(white),
      to(rgba(255, 255, 255, 0.5))
    ),
    url("https://i.pinimg.com/originals/b3/74/47/b37447b41ada1cc0b61bd86388103de8.jpg");
  background-image: linear-gradient(to bottom, white, rgba(255, 255, 255, 0.5)),
    url("https://i.pinimg.com/originals/b3/74/47/b37447b41ada1cc0b61bd86388103de8.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.birthday-card .text {
  width: 80%;
  height: 80%;
  margin: auto;
  font-family: "Nobile", sans-serif;
  font-weight: 800;
}

.birthday-card .text > p {
  font-size: 1.1em;
  color: #331717;
  list-style: 1.4;
  font-style: italic;
  text-align: center;
  margin: 30px auto 0 auto;
}

.birthday-card .text .title {
  font-size: 1.5em;
  margin: 60px auto 60px auto;
}

.birthday-card .cover-outer {
  position: absolute;
  width: 100%;
  height: 100%;
  margin: -10px 0 0 -10px;
  border: 10px solid #ef5050;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform-origin: 0% 50%;
  transform-origin: 0% 50%;
  -webkit-transform: perspective(800px) rotateY(0deg);
  transform: perspective(800px) rotateY(0deg);
  -webkit-transition: all 0.8s ease-in-out;
  transition: all 0.8s ease-in-out;
}

.birthday-card .cover-outer img {
  -webkit-box-shadow: 0px 6px 11px 7px rgba(0, 0, 0, 0.22);
  box-shadow: 0px 6px 11px 7px rgba(0, 0, 0, 0.22);
  border-radius: 5px;
}

.birthday-card .cover-inner {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 10px solid #ef5050;
  background-color: #ef5050;
  margin: -10px 0px 0 -10px;
  -webkit-backface-visibility: visible;
  backface-visibility: visible;
  -webkit-filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.5));
  filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.5));
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform-origin: 0% 50%;
  transform-origin: 0% 50%;
  -webkit-transform: perspective(800px) rotateY(0deg);
  transform: perspective(800px) rotateY(0deg);
  -webkit-transition: all 0.8s ease-in-out;
  transition: all 0.8s ease-in-out;
  overflow: hidden;
}

.birthday-card .cover-inner img {
  -webkit-transform: rotateY(170deg);
  transform: rotateY(170deg);
}

.birthday-card:hover .cover-outer {
  -webkit-transform: perspective(800px) rotateY(-170deg);
  transform: perspective(800px) rotateY(-170deg);
}

.birthday-card:hover .cover-inner {
  -webkit-transform: perspective(800px) rotateY(-170deg);
  transform: perspective(800px) rotateY(-170deg);
  -webkit-box-shadow: 7px 0 5px 0 rgba(0, 0, 0, 0.3),
    inset 2px 0px 15px 0px rgba(0, 0, 0, 0.1);
  box-shadow: 7px 0 5px 0 rgba(0, 0, 0, 0.3),
    inset 2px 0px 15px 0px rgba(0, 0, 0, 0.1);
}