html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  font-family: 'Arial', sans-serif;
  background: linear-gradient(135deg, #73a5ff, #5477f5);
  color: #fff;
  text-align: center;
}

h1 {
  font-size: 36px;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: fadeIn 1s ease-in-out;
}

#score-container {
  font-size: 24px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  animation: fadeIn 1.5s ease-in-out;
}

#score-label {
  margin-right: 10px;
}

#table {
  border: 2px solid #fff;
  width: 700px;
  height: 400px;
  position: relative;
  background-color: #000;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  margin-bottom: 20px;
  animation: fadeIn 2s ease-in-out;
}

#paddle {
  background-color: #f39c12;
  width: 10px;
  height: 75px;
  position: absolute;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

#ball {
  height: 20px;
  width: 20px;
  background-color: #3498db;
  border-radius: 50%;
  position: absolute;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

#game-over {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 32px;
  color: red;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: fadeIn 2.5s ease-in-out;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#restart-button {
  font-size: 18px;
  padding: 10px 20px;
  margin-top: 10px;
  cursor: pointer;
  background-color: #fff;
  color: #000;
  border: none;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
  transition: background-color 0.3s, color 0.3s;
  animation: fadeIn 3s ease-in-out;
}

#restart-button:hover {
  background-color: #3498db;
  color: #fff;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}