.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;

}