* {
  box-sizing: border-box;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: black;
  color: white;
  font-size: 20px;
  flex-direction: column;
  margin: 0px;
  padding: 0px;
  height: 100vh;
}

.header {
  background-color: black;
  width: 100%;
  margin: 0px;
  padding: 0px;
  border-bottom: red 3px solid;
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-window {
  background-color: lightgray;
  width: 100%;
  margin: 0px;
  padding: 0px;
  height: 100%;
  border-bottom: red solid 3px;
  display: flex;
}

#megami-title {
  color: red;
}

.game-zone {
  background-color: transparent;
  border: black 2px solid;
  margin: 20px;
  height: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: black;
  padding: 0px;
  flex: 3;
}

.rule-container {
  flex: 1;
  padding: 20px;
  color: black;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  flex-direction: column;
}

.right-container {
  flex: 1;
  color: red;
  align-items: center;
  justify-content: center;
  display: flex;
  flex-direction: column;
}
.game-zone .row {
  display: flex;
}

.game-row {
  display: flex;
  flex-direction: column;
}

.game-item {
  padding: 10px 30px;
}

.game-item img {
  border: red 3px solid;
  height: 120px;
  width: 120px;
}
.game-item img:hover {
  border: blue 3px solid;
  height: 120px;
  width: 120px;
}
.game-item-selected img {
  border: purple 3px solid;
  height: 120px;
  width: 120px;
}

.score-system {
  display: flex;
  align-content: center;
  justify-content: space-between;
  width: 100%;
}

.score-system #score {
  font-size: 26px;
}

.score-system button {
  border-radius: 5px;
  border: red 1px solid;
  padding: 5px;
  margin-top: 20px;
  height: 40%;
  background: black;
  color: red;
}
.score-system button:hover {
  background: red;
  color: blue;
  border: blue 1px solid;
}