.avatar {
  width: 100px;
  height: 100px;
  border-radius: 50px;
  margin-left: 1em;
  border: 1px solid #fff;
  z-index: 500;
  background-color: #fff;
  -webkit-box-shadow: 0 1px 1px rgba(0,0,0,0.3);
  -moz-box-shadow: 0 1px 1px rgba(0,0,0,0.3);
  box-shadow: 0 1px 1px rgba(0,0,0,0.3);
}