* {
    box-sizing: border-box;
  }
  
  body {
    background-color: #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
  }
  
  button {
    cursor: pointer;
    font-size: 14px;
    border-radius: 4px;
    padding: 5px 15px;
  }
  
  select {
    width: 200px;
    padding: 5px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    border-radius: 0;
    background-color: #a7c5e3;
  }
  
  select:focus,
  button:focus {
    outline: 0;
  }
  
  .settings-btn {
    position: absolute;
    bottom: 30px;
    left: 30px;
  }
  
  .settings {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    height: 70px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(0);
    transition: transform 0.3s ease-in-out;
  }
  
  .settings.hide {
    transform: translateY(-100%);
  }
  
  .container {
    background-color: #34495e;
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.3);
    color: #fff;
    position: relative;
    text-align: center;
    width: 500px;
  }
  
  h2 {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 8px;
    border-radius: 4px;
    margin: 0 0 40px;
  }
  
  h1 {
    margin: 0;
  }
  
  input {
    border: 0;
    border-radius: 4px;
    font-size: 14px;
    width: 300px;
    padding: 12px 20px;
    margin-top: 10px;
  }
  
  .score-container {
    position: absolute;
    top: 60px;
    right: 20px;
  }
  
  .time-container {
    position: absolute;
    top: 60px;
    left: 20px;
  }
  
  .end-game-container {
    background-color: inherit;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
  }