.content {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
  }
  .card-wrapper {
    width: 560px;
  }
  .card-wrapper .card {
    position: relative;
    width: 280px;
    height: 497.7777777778px;
    transform: perspective(1000px) translate(50%) scale(0.5) rotateY(0deg);
    transform-origin: 50px center;
    transition: 1s cubic-bezier(0, 0, 0, 0.94);
  }
  .card-wrapper .card .side {
    background: transparent;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    transform: perspective(1000px) rotateY(0);
    transform-origin: right center;
    transform-style: preserve-3d;
    transition: 1s cubic-bezier(0, 0, 0, 0.94);
  }
  .card-wrapper .card .side.side-a {
    border-radius: 10px 0 0 10px;
  }
  .card-wrapper .card .side.side-b {
    border-radius: 10px 0 0 10px;
  }
  .card-wrapper .card .side .back,
  .card-wrapper .card .side .front {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    backface-visibility: hidden;
    transition: 0 0.5s cubic-bezier(0, 0, 0, 0.94);
    overflow: hidden;
  }
  .card-wrapper .card .side .front {
    z-index: 2;
    transform-origin: center;
  }
  .card-wrapper .card .side .back {
    transform: rotateY(180deg);
  }
  .card-wrapper .card .side .back .heart {
    transform: rotateY(180deg);
    max-height: 100%;
  }
  .card-wrapper .card .side.side-b .front .heart .circle,
  .card-wrapper .card .side.side-b .front .heart .rect {
    background: #f9bec7;
  }
  .card-wrapper .card .side.side-b .back .heart .title {
    display: none;
  }
  .card-wrapper.active .card {
    transform: perspective(1000px) translate(0%) scale(1) rotateY(0);
  }
  .card-wrapper.active .card .side.side-b {
    transform: perspective(1000px) rotateY(180deg);
  }
  .card-wrapper.active .card .side-a .front .heart .circle,
  .card-wrapper.active .card .side-a .front .heart .rect {
    background: #ff5c8a !important;
  }
  .card-wrapper.active .card .side-b .back .heart .circle,
  .card-wrapper.active .card .side-b .back .heart .rect {
    background: #ff5c8a !important;
  }
  .card-wrapper:not(.active) .heart {
    cursor: pointer;
  }
  .heart {
    font-family: "Satisfy", cursive;
  }
  .heart .heart-half {
    transform: rotate(-45deg) scale(0.8) translateX(23%) translateY(10%);
    transform-origin: 140px 140px;
  }
  .heart .heart-half .circle {
    width: 280px;
    height: 280px;
    background: red;
    border-radius: 50%;
    transition: background 1s cubic-bezier(0, 0, 0, 0.94);
  }
  .heart .heart-half .rect {
    width: 280px;
    height: 280px;
    background: red;
    margin-top: -140px;
    transition: background 1s cubic-bezier(0, 0, 0, 0.94);
  }
  .heart .title {
    position: absolute;
    top: 30%;
    font-family: "Quicksand", sans-serif;
    right: 10%;
    font-size: 38px;
    transform: rotate(45deg);
    color: #ff0a54;
  }
  .ijustcode {
    position: absolute;
    top: 124.4444444444px;
    right: 0;
    height: 100px;
    margin: auto;
    backface-visibility: hidden;
    transform: translateX(50%);
  }
  .side-b .ijustcode code {
    transform: rotateY(-180deg);
  }
  .side-b .front .ijustcode {
    display: none;
  }
  .hljs-addition, .hljs-attribute, .hljs-meta .hljs-string, .hljs-regexp, .hljs-string {
    color: #c379ba;
    font-weight: 600;
  }
  pre code.hljs {
    border-radius: 10px;
  }
  audio {
    display: none;
  }
  /*******
  ********
  Confeti styles
  ********
  *******/
  @keyframes confetti-slow {
    0% {
      transform: translate3d(0, 0, 0) rotateX(0) rotateY(0);
    }
    100% {
      transform: translate3d(25px, 105vh, 0) rotateX(360deg) rotateY(180deg);
    }
  }
  @keyframes confetti-medium {
    0% {
      transform: translate3d(0, 0, 0) rotateX(0) rotateY(0);
    }
    100% {
      transform: translate3d(100px, 105vh, 0) rotateX(100deg) rotateY(360deg);
    }
  }
  @keyframes confetti-fast {
    0% {
      transform: translate3d(0, 0, 0) rotateX(0) rotateY(0);
    }
    100% {
      transform: translate3d(-50px, 105vh, 0) rotateX(10deg) rotateY(250deg);
    }
  }
  .container {
    /*width: 100vw;
    height: 100vh;
    background: #f0f0f0;*/
  }
  .confetti-container {
    perspective: 700px;
    position: absolute;
    overflow: hidden;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1;
  }
  .confetti {
    position: absolute;
    z-index: 1;
    top: -10px;
    border-radius: 0%;
  }
  .confetti-animation-slow {
    animation: confetti-slow 2.5s linear 1 forwards;
  }
  .confetti-animation-medium {
    animation: confetti-medium 2s linear 1 forwards;
  }
  .confetti-animation-fast {
    animation: confetti-fast 1.5s linear 1 forwards;
  }
  #gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    opacity: 0;
    transition: opacity 1s cubic-bezier(0, 0, 0, 0.94);
  }