*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
#top-sticky-wrap {
  height: 100%;
  width: 100%;
}
#top-sticky-wrap:first-child {
  background: linear-gradient(#CCCCCC, #FFFFFF);
  box-shadow: inset 5px 0 5px -5px #8C8C8C, 
  inset -5px 0 5px -5px #8C8C8C,
  inset 0 -2px 3px -2px #BBBBBB,
  inset 0 1px 4px -2px #BBBBBB,
  0 1px 3px -2px #8C8C8C;
  height: 5%;
  width: 100%;
}
#image {
  background: url("images/YushiHKHeader.png");
  height: 100%;
  width: 100%;
}