.sub-container {
    max-width: 800px;
    margin: 0 auto;
  }
  
.section1,.section2,.section3{
    padding: 6rem 0;
}
  .section1 {
    background-color: #f5f5f5;
  }
  
  .section2 {
    background-color: #ebebeb;
  }
  
  .section3 {
    background-color: #dcdcdc;
  }
  
  h2 {
    font-size: 2rem;
    font-weight: bold;
  }
  
  p {
    font-size: 1.4rem;
    line-height: 1.9;
    padding-top: 2rem;
  }
  
  .image {
    max-width: 100%;
    height: auto;
    margin-top: 20px;
  }