styles.css

body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
  }
  
  h1, h2 {
    margin: 20px 0;
  }
  
  button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
  }
  
  .gift-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
  }
  
  .gift {
    width: 200px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
  }
  
  .gift img {
    width: 200px;
    height: 200px;
    object-fit: cover;
  }
  
  .gift.highlight {
    border: 4px solid red;
  }
  
  .hidden {
    display: none;
  }
  
  .fade-out {
    opacity: 0;
    transition: opacity 1s ease;
  }
  
  .selected {
    position: relative;
    margin: 0 auto;
    width: 200px;
    text-align: center;
  }
  
  .selected img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    margin-bottom: 20px;
  }
  
  h1 {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .highlight {
    font-weight: bold; /* 加粗 */
    font-size: 18px; /* 字體大小 */
    color: #333; /* 字體顏色 */
  }

  /* 高亮的邊框樣式（僅用於動畫） */
  .highlight-border {
    border: 4px solid red;
  }