* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(45deg, rgb(193, 139, 139) 50%, rgb(162, 217, 212) 50%);
  color: white;
}

.container {
  position: relative;
  text-align: center;
  background: rgba(0, 0, 0, 0.8);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
}
.game {
  margin-bottom: 10px;
  font-family: Pixelify Sans;
  color: red;
  transform: scale(3.1);
  text-shadow: 0 1px 20px rgb(208, 202, 47);
}

.score-board {
  font-size: 25px;
  margin-top: 20px;
  margin-bottom: 10px;
  font-weight: bold;
  color: aqua;
  text-shadow: 0 5px 30px rgb(255, 0, 0);
  transform: scale(1.1);
  box-shadow: 0 10px 15px rgb(124, 213, 213);
}

.board {
  display: grid;
  grid-template-columns: repeat(4, 100px);
  grid-template-rows: repeat(4, 100px);
  gap: 5px;
  background: rgb(0, 0, 0);
  padding: 10px;
  border-radius: 10px;
  font-family: "Courier New", Courier, monospace;
  visibility: hidden;
}
.tile {
  width: 100px;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  font-weight: bold;
  border-radius: 10px;
  transition: all 0.2s;
  color: white;
  cursor: pointer;
}
.tile:hover {
  background-color: rgba(233, 7, 7, 0.2);
}
#startBtn {
  margin-top: 20px;
  padding: 10px 20px;
  font-size: 20px;
  background-color: #444;
  border: none;
  color: rgb(255, 0, 0);
  cursor: pointer;
  border-radius: 5px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background-color 0.3s ease, transform 0.2s ease,
    box-shadow 0.3s ease, color 0.3s ease;
  box-shadow: 0 5px 30px rgb(255, 0, 0);
}
#startBtn:hover {
  background-color: rgb(124, 213, 213);
  color: #fff;
  box-shadow: 0 4px 8px rgb(124, 213, 213);
}

.control {
  color: aqua;
  font-size: larger;
  font-family: Pixelify Sans;
  text-shadow: 0 5px 30px rgb(124, 213, 213);
  transform: scale(1.1);
  box-shadow: 0 1px 10px rgb(124, 213, 213);
}