.panel{

  /* font-family: 'Source Sans Pro'; */
  /* font-size:1.3em; */
  position: absolute;
  z-index:10;
  width:200px;
  height:220px;
  background:#eee;
  top:50%;
  left:50%;
  margin:-110px 0 0 -100px;
  padding:20px;
  border-radius:4px;
  box-sizing:border-box;
}