10 border: 1px solid black;
21 margin-top: -10px; /* force overlap with the composited element */
23 box-sizing: border-box;
24 border: 40px solid black;
30 -webkit-transform: translateZ(0);
37 <div class="scroll-content">
38 <div class="composited"></div>
39 <div class="inner"></div>