.box-layers {
    background-color: #eeeeee;
    padding: 2rem 1rem 4rem 1rem;
    border-top: 10px solid #dddddd;
    margin: 4rem 0;
    }

.h2-wrapper {
    border: 1px solid black;
}

.box-sizing-example {
    background-color: #eeeeee;
    padding: 2rem;
    border: 10px solid #dddddd;
    width: 100%;
    box-sizing: border-box;
  }

  .overflow-example {
    width: 50%;
    height: 300px;
    overflow: auto;
  }