@font-face {
    font-display: swap;
    font-family: "Ember Condensed";
    src: url("fonts/AmazonEmberCd_W_Rg.woff2") format("woff2"),
    url("fonts/AmazonEmberCd_W_Rg.woff") format("woff"),
    url("fonts/AmazonEmberCd_W_Rg.eot") format("embedded-opentype"),
    url("fonts/AmazonEmberCdRC_Rg.ttf") format("truetype");
}

body {
  font-family: "Ember Condensed", sans-serif;
  background-color: deeppink;
  display: grid;
  place-items: center; /* Centers both horizontally and vertically */
  height: 100vh;
  margin: 0;
}

.flip-card {
  background-color: transparent;
  width: 2.5in;
  height: 3.5in;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 1s ease-in;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateX(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-color: black;
  border-width: 0.0125in;
  border-style: solid;
  border-radius: 3.5mm;
  padding: 0.2in;
  box-sizing: border-box;
  backface-visibility: hidden;
}

.flip-card-front {
  background-color: lightgrey; /* add dark theme */
  color: deeppink;
}

.flip-card-back {
  background-color: lightgrey;
  color: royalblue;
  transform: rotateX(180deg);
}