="section">
                      <div class="pointer"></div>
                      <div class="abstract">
                        <p>The margin to the screen</p>

                      </div>
                      <h4>Default Implementation</h4>
                      <div class="default_impl abstract">
                        <p>Default border margin</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div c