div{
transform: rotate() or translate() or skew();
border-radius: 10% 20% 20% 10% / 40% 50% 50% 40%;
border-top/left/right/bottom: 2px solid #444;
box-shadow:8px -8px 0 10px #f19b2c;
background: linear-gradient();
background-image: linear-gradient();
overflow:hidden;
position:relative or absolute;
z-index: 1;
}