.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;
}