* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.main {
    color: #f5f5f5;
    margin-top: 32px;
    font-size: 28px;
  }
body {
  text-align: center;
  font-family: "Orbitron", sans-serif;
  background-color: #0a2c51;
}
section {
  background-color: #3c6088;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
  padding: 25px;
  max-width: 1000px;
  margin: 44px auto 24px auto;
  border-radius: 12px;
}
.head {
  font-size: 2.2
    rem;
  color: #d8f4f4;
  text-shadow: 2px 0 #555;
}
.container {
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, 0%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 50%;
}
.btn {
  cursor: pointer;
  display: inline-block;
  margin: 25px;
  height: 180px;
  width: 180px;
  border: 10px solid black;
  border-radius: 20%;
  transition: all 0.3s ease;
}
.red {
  background-color: red;
}
.blue {
  background-color: blue;
}
.green {
  background-color: green;
}
.gold {
  background-color: gold;
}
.game-over {
  background-color: red;
  opacity: 0.8;
}
.pressed {
  transform: scale(0.95);
}
footer {
  color: #f5f5f5;
  text-align: center;
}