body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #eac285;
  text-align: center;
}

.birthdayCard {
  position: relative;
  width: 250px;
  height: 350px;
  cursor: pointer;
  transform-style: preserve-3d;
  transform: perspective(2500px);
  transition: 4s;
}

.birthdayCard:hover {
  transform: perspective(2500px) rotate(5deg);
  box-shadow: inset 100px 20px 100px rgba(0, 0, 0, 0.15),
    0 10px 100px rgba(0, 0, 0, 0.3);
}

.birthdayCard:hover .cardFront {
  transform: rotateY(-160deg);
}

.birthdayCard:hover .front-text {
  display: none;
}

.birthdayCard:hover .wrap-deco {
  display: none;
}

.birthdayCard:hover .wrap-decoTwo {
  display: none;
}

.birthdayCard:hover .plate {
  display: none;
}

.cardFront {
  position: relative;
  background-color: #fff;
  width: 250px;
  height: 350px;
  overflow: hidden;
  transform-origin: left;
  box-shadow: inset 100px 20px 100px rgba(0, 0, 0, 0.13),
    30px 0 50px rgba(0, 0, 0, 0.1);
  transition: 0.4s;
}

.happy,
.toyou {
  position: relative;
  font-family: didot;
  text-align: center;
  backface-visibility: hidden;
  font-size: 30px;
}

.happy {
  top: 198px;
}

.toyou {
  top: 123px;
}

.bday {
  position: relative;
  /* font-family: arial; */
  font-size: 30px;
  text-align: center;
  top: 163px;
  padding: 5px;
}

.wrap-deco {
  position: absolute;
  top: -230px;
  left: -200px;
}

.decorations {
  position: absolute;
  width: 400px;
  height: 300px;
  border: 3px solid #333;
  border-radius: 50%;
}

.decorations:before,
.decorations:after,
.decorationsTwo:before,
.decorationsTwo:after,
.decorationsThree:before,
.decorationsThree:after {
  content: "";
  position: absolute;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  width: 0;
  height: 0;
}

.decorations:before {
  border-top: 40px solid #f15bb5;
  top: 297px;
  left: 210px;
  transform: 0.3s rotate(-5deg);
}

.decorations:after {
  border-top: 40px solid #f4d35e;
  top: 288px;
  left: 260px;
  transform: rotate(-17deg);
}

.decorationsTwo:before {
  border-top: 40px solid #00f5d4;
  top: 268px;
  left: 315px;
  transform: rotate(-30deg);
}

.decorationsTwo:after,
.decorationsThree:after {
  border-top: 40px solid #9b5de5;
  top: 238px;
  left: 355px;
  transform: rotate(-40deg);
}

.wrap-decoTwo {
  transform: scaleX(-1);
  position: absolute;
  top: -230px;
  left: 445px;
}

.decorationsThree:before {
  border-top: 40px solid #00bbf9;
  top: 268px;
  left: 315px;
  transform: rotate(-30deg);
}

.plate {
  position: absolute;
  width: 130px;
  height: 5px;
  background-color: #00bbf9;
  left: 60px;
  top: 213px;
}

.cake {
  position: absolute;
  overflow: hidden;
  width: 100px;
  height: 50px;
  background-color: #f15bb5;
  border-radius: 10px 10px 0 0;
  top: -50px;
  left: 15px;
  box-shadow: inset 0 -15px #f9c74f, inset 0 15px #432818;
}

.cake:before {
  content: "";
  position: absolute;
  background-color: #432818;
  width: 10px;
  height: 20px;
  top: 5px;
  border-radius: 20px;
  box-shadow: 10px 5px #f15bb5, 20px 0px #432818, 30px 2px #f15bb5,
    40px 5px #432818, 50px 5px #f15bb5, 60px 0px #432818, 70px 5px #f15bb5,
    80px 5px #432818, 90px 5px #f15bb5;
}

.plate:before {
  content: "";
  position: absolute;
  background: repeating-linear-gradient(
    -45deg,
    #9b5de5,
    #9b5de5 3px,
    #00f5d4 3px,
    #00f5d4 6px
  );
  width: 7px;
  height: 25px;
  top: -75px;
  left: 61px;
}

.plate:after {
  content: "";
  position: absolute;
  width: 1px;
  height: 5px;
  background-color: #333;
  top: -80px;
  left: 64px;
}

.flame {
  position: absolute;
  background-color: #fb5607;
  border-radius: 80% 0 55% 50% / 55% 0 80% 50%;
  transform: rotate(-45deg);
  width: 15px;
  height: 15px;
  opacity: 0.7;
  top: -93px;
  left: 57px;
}

.cardInside {
  position: absolute;
  background-color: #fff;
  width: 250px;
  height: 350px;
  z-index: -1;
  left: 0;
  top: 0;
  box-shadow: inset 100px 20px 100px rgba(0, 0, 0, 0.2);
}

.inside-text {
  position: relative;
  top: -160px;
  transform: scale(0.7);
}

.wishes {
  position: relative;
  top: -100px;
  margin: 25px;
}

p {
  font-family: "Dancing Script", cursive;
  color: #333;
}

.name {
  margin-left: 150px;
}

/* !bóng bay */

.balloon {
  width: 100px;
  height: 125px;
  background: hsl(215, 50%, 65%);
  border-radius: 80%;
  position: relative;
  box-shadow: inset -10px -10px 0 rgba(0, 0, 0, 0.07);
  margin: 20px 30px;
  transition: transform 0.5s ease;
  z-index: 10;
  animation: balloons 4s ease-in-out infinite;
  transform-origin: bottom center;
}

@keyframes balloons {
  0%,
  100% {
    transform: translateY(0) rotate(-4deg);
  }
  50% {
    transform: translateY(-25px) rotate(4deg);
  }
}

.balloon:before {
  content: "▲";
  font-size: 20px;
  color: hsl(215, 30%, 50%);
  display: block;
  text-align: center;
  width: 100%;
  position: absolute;
  bottom: -12px;
  z-index: -100;
}

.balloon:after {
  z-index: -10;
  display: inline-block;
  top: 130px;
  position: absolute;
  height: 250px;
  width: 1px;
  margin: 0 auto;
  content: "";
  background: rgba(0, 0, 0, 0.2);
}

.balloon:nth-child(2) {
  background: hsl(245, 40%, 65%);
  animation-duration: 3.5s;
}
.balloon:nth-child(2):before {
  color: hsl(245, 40%, 65%);
}

.balloon:nth-child(3) {
  background: hsl(139, 50%, 60%);
  animation-duration: 3s;
}
.balloon:nth-child(3):before {
  color: hsl(139, 30%, 50%);
}

.balloon:nth-child(4) {
  background: hsl(59, 50%, 58%);
  animation-duration: 4.5s;
}
.balloon:nth-child(4):before {
  color: hsl(59, 30%, 52%);
}

.balloon:nth-child(5) {
  background: hsl(23, 55%, 57%);
  animation-duration: 5s;
}
.balloon:nth-child(5):before {
  color: hsl(23, 44%, 46%);
}

@media (max-width: 768px) {
  .balloon {
    width: 80px;
    height: 95px;
    margin: 10px 15px;
  }

  .balloon:before {
    font-size: 15px;
    bottom: -9px;
  }

  .balloon:after {
    top: 113px;
    height: 180px;
  }
}

@media (max-width: 480px) {
  .balloon {
    width: 60px;
    height: 70px;
    margin: 5px 8px;
  }

  .balloon:before {
    font-size: 10px;
    bottom: -6px;
  }

  .balloon:after {
    top: 83px;
    height: 120px;
  }
}

.balloon1,
.balloon2,
.balloon3,
.balloon4,
.balloon5,
.balloon6 {
  position: fixed;
}

.balloon1 {
  top: 50px;
  left: 30px;
}

.balloon2 {
  top: 40%;
  left: 15%;
}
.balloon3 {
  top: 25%;
  left: 30%;
}
.balloon4 {
  top: 10%;
  right: 3%;
}
.balloon5 {
  top: 35%;
  right: 15%;
}
.balloon6 {
  top: 16%;
  right: 27%;
}

.pin {
  position: relative;
}

img {
  position: absolute;
  width: 100%;
  right: 1%;
  border-radius: 50%;
  opacity: 0;
  animation-delay: 7s !important;
  animation: fadeInOut 3s ease-in-out infinite;
}

@keyframes fadeInOut {
  0%,
  100% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
}

.text {
  position: fixed;
  top: 10%;
  font-family: "Dancing Script", cursive;
  font-size: 30px;
}