:root {
  --red: #e74c3c;
  --blue: #3498db;
  --orange: #ffc312;
}

* {
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--blue);
  text-align: center;
}

.card {
  padding: 2.5px;
  border-radius: 10px;
  margin: 10px;
  background-color: var(--blue);
  display: inline-block;
  height: 145px;
  width: 100px;
  vertical-align: top;
  perspective: 1000px;
}

.card__inner {
  width: 100%;
  height: 100%;
  transition: transform 1s;
  transform-style: preserve-3d;
  cursor: pointer;
  position: relative;
}

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

.card__face {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  overflow: hidden;
  box-shadow: 0px 3px 18px 3px rgba(0, 0, 0, 0.2);
}

.card__face--front {
  background-color: var(--light);
  transform: rotateY(180deg);
}

.card__face--back {
  background-image: linear-gradient(
    to bottom right,
    var(--primary),
    var(--secondary)
  );
  display: flex;
  align-items: center;
  justify-content: center;
}

.orange {
  border: 3px solid var(--orange);
  border-radius: 7px;
}

.card-pic {
  width: 100%;
}

.bangers {
  font-family: "Bangers", cursive;
  letter-spacing: 2.5px;
}

.name-input {
  outline: 0;
  width: 20%;
  border-width: 0 0 5px;
  border-color: black;
  background: transparent;
  text-align: center;
  font-size: 1.5em;
}

.reset-button {
  height: 25px;
  margin-left: 10px;
  cursor: pointer;
}

.start-button {
  height: 25px;
  margin-left: 10px;
  cursor: pointer;
}

#timeMessage {
  margin-bottom: 10px;
}

#matchesWon {
  margin-bottom: 10px;
}