.headline {
      font-size: 3rem;
      font-weight: 900;
      letter-spacing: -1px;
      text-transform: uppercase;
      margin: 1rem 0 1rem;
      background: #fff;
      padding: 0.5rem 1rem;
      border: 4px solid #000;
     text-shadow: 2px 2px 4px rgb(192,192,192);
background: #f1fc17;

      text-align: center;
    }
    .subhead {
      background: #000;
      color: white;
      padding: 0.7rem 1.5rem;
      font-size: 1.1rem;
      font-weight: 500;
      margin: 1rem 0 0;
      line-height: 1.5;
    }
    .author {
      color: #666;
      font-size: 0.9rem;
      font-style: italic;
      margin-top: 0.5rem;
      display: block;
      text-align: center;
    }
 .intro {
      font-size: 1.05rem;
      margin-bottom: 1.5rem;
    }
    .quote {
      font-style: italic;
      margin: 1rem 0;
    }
    .quote-author {
      font-weight: bold;
      display: block;
      margin-top: 0.5rem;
    }
.exercise-card {
      background: white;
      border: 1px solid #ddd;
      border-radius: 6px;
      padding: 1.2rem;
      margin: 1.2rem 0;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .exercise-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 12px rgba(255,255,0,0.12);
    }

    .exercise-title {
      font-weight: bold;
      font-size: 1.2rem;
      margin: 0 0 0.6rem;
      color: #000;
text-shadow: 2px 2px 4px rgb(255,255,0);

    }

    .exercise-desc,
    .exercise-instruction {
      font-size: 0.95rem;
      margin: 0 0 0.6rem;
    }

    .sets {
      font-weight: bold;
      color: #2e7d32;
      margin: 0.6rem 0 0;
    }