.glass {
  width: 350px;
  height: 225px;
  position: absolute;
 /*  border-radius: 50%; */
  cursor: crosshair;
  background: #dbeef6;
  border: 4px solid #fff;
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  border-radius: 3px;
  /* box-shadow: rgba(0, 0, 0, 0.2) 0px 12px 28px 0px, rgba(0, 0, 0, 0.1) 0px 2px 4px 0px, rgba(255, 255, 255, 0.05) 0px 0px 0px 1px inset; */
  box-shadow: rgba(50, 50, 93, 0.25) 0px 13px 27px -5px, rgba(0, 0, 0, 0.3) 0px 8px 16px -8px;
  /* hide the glass by default */
  display: none;
}