:root {
  --primary:#fcbdca;
  
  --container:600px
}

body {
  background-color:var(--primary);
  background-image: url("pen/bg.gif");
}

.lace {
  position: fixed;
  height:37px;
  background-image:url("pen/lace.gif");
  width:100%;
}
.lace:last-of-type {
  bottom: 0px;
  rotate:180deg
}
#container {
  position: relative;
  top:37px;
}