#main {
  background-color: #2d2d34;
  display: flex;
  height: 100vh;
  width: 100vw;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}

.site-nav {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1001;
  color: #f1e4e8;
  font-family: 'Caveat', cursive;
  font-size: 1.5rem;
  text-decoration: none;
  border-bottom: 2px solid #b97375;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.site-nav:hover,
.site-nav:focus-visible {
  opacity: 1;
}

#intro {
  color: #f1e4e8;
  font-family: 'Caveat', cursive;
  font-size: 3vw;
}

#back_card {
  display: flex;
  background-color: #f1e4e8;
  width: 34%;
  height: 60%;
  border: #2d2d34 solid 3px;
  outline: #b97375 solid 3px;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 0.5rem;
}

.row {
  display: flex;
  flex-basis: 30%;
  width: 90%;
  gap: 0.5rem;
}

button {
  display: flex;
  flex-basis: 33%;
  text-decoration: none;
  cursor: pointer;
  perspective: 1000px;
  background-color: transparent;
}

.inner.is-flipped {
  transform: rotateY(180deg);
}

.inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.flip-card-front {
  background-color: #ceb1be;
  border: #b97375 solid 1px;
}

.flip-card-back {
  display: flex;
  background-color: #ceb1be;
  border: #b97375 solid 1px;
  color: white;
  text-align: center;
  font-size: 4vw;
  justify-content: center;
  align-items: center;
  transform: rotateY(180deg);
}

#info {
  color: #f1e4e8;
  font-family: 'Caveat', cursive;
  font-size: 2vw;
  cursor: pointer;
}
#confetti {
  display: none;
  position: absolute;
  width: 100vw;
  height: 70vh;
  overflow: hidden;
  z-index: 1000;
}
.confetti-piece {
  position: absolute;
  width: 10px;
  height: 30px;
  background: #ffd300;
  top: 0;
  opacity: 0;
}
.confetti-piece:nth-child(1) {
  left: 7%;
  -webkit-transform: rotate(-40deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 182ms;
  -webkit-animation-duration: 1116ms;
}
.confetti-piece:nth-child(2) {
  left: 14%;
  -webkit-transform: rotate(4deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 161ms;
  -webkit-animation-duration: 1076ms;
}
.confetti-piece:nth-child(3) {
  left: 21%;
  -webkit-transform: rotate(-51deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 481ms;
  -webkit-animation-duration: 1103ms;
}
.confetti-piece:nth-child(4) {
  left: 28%;
  -webkit-transform: rotate(61deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 334ms;
  -webkit-animation-duration: 708ms;
}
.confetti-piece:nth-child(5) {
  left: 35%;
  -webkit-transform: rotate(-52deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 302ms;
  -webkit-animation-duration: 776ms;
}
.confetti-piece:nth-child(6) {
  left: 42%;
  -webkit-transform: rotate(38deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 180ms;
  -webkit-animation-duration: 1168ms;
}
.confetti-piece:nth-child(7) {
  left: 49%;
  -webkit-transform: rotate(11deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 395ms;
  -webkit-animation-duration: 1200ms;
}
.confetti-piece:nth-child(8) {
  left: 56%;
  -webkit-transform: rotate(49deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 14ms;
  -webkit-animation-duration: 887ms;
}
.confetti-piece:nth-child(9) {
  left: 63%;
  -webkit-transform: rotate(-72deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 149ms;
  -webkit-animation-duration: 805ms;
}
.confetti-piece:nth-child(10) {
  left: 70%;
  -webkit-transform: rotate(10deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 351ms;
  -webkit-animation-duration: 1059ms;
}
.confetti-piece:nth-child(11) {
  left: 77%;
  -webkit-transform: rotate(4deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 307ms;
  -webkit-animation-duration: 1132ms;
}
.confetti-piece:nth-child(12) {
  left: 84%;
  -webkit-transform: rotate(42deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 464ms;
  -webkit-animation-duration: 776ms;
}
.confetti-piece:nth-child(13) {
  left: 91%;
  -webkit-transform: rotate(-72deg);
  -webkit-animation: makeItRain 1000ms infinite ease-out;
  -webkit-animation-delay: 429ms;
  -webkit-animation-duration: 818ms;
}
.confetti-piece:nth-child(odd) {
  background: #7431e8;
}
.confetti-piece:nth-child(even) {
  z-index: 1;
}
.confetti-piece:nth-child(4n) {
  width: 5px;
  height: 12px;
  -webkit-animation-duration: 2000ms;
}
.confetti-piece:nth-child(3n) {
  width: 3px;
  height: 10px;
  -webkit-animation-duration: 2500ms;
  -webkit-animation-delay: 1000ms;
}
.confetti-piece:nth-child(4n-7) {
background: red;
}
@-webkit-keyframes makeItRain {
  from {opacity: 0;}
  50% {opacity: 1;}
  to {-webkit-transform: translateY(1050px);}
}