hr { 
  border: 0;
  border-top: 1px dashed #8c8c8c; 
  text-align:center;
} 
hr:after { 
  content: '\002702'; 
  display: inline-block; 
  position: relative; 
  top: -13px; 
  padding: 0 3px; 
  background: #fff; 
  color: #8c8c8c; 
  font-size: 18px; 
}