Top and Bottom inset shadow

dabblet.css

/**
 * Top and Bottom inset shadow
 */
 

#element{
  background-color: #E3F2F7;
  height: 55px;
  position: relative; /* to position pseudo absolute*/
  overflow: hidden; /* to cut of overflow shadow*/
  margin-top: 200px;	
}

#element:before , #element:after{
  content: "\0020";
  display: block;
  position: absolute;
  width: 100%;
  height: 1px; /* when 0 no shadow is displayed*/
  box-shadow: #696c5c 0 0 8px 0;
}

#element:before { top: -1px} /* because of height: 1*/
#element:after { bottom: -1px}  /* because of height: 1*/

dabblet.html

<div id="element"></div<

settings.json

{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"css"}