body{
  background:#333;
}
.symbol{
  position:absolute;
  width:200px;
  height:100px;
  margin-left:40%;
  margin-top:5%;
}
.symbol:before,.symbol:after{
  content:"";
  top:0px;
  left:0px;
  position:absolute;
  width:80px;
  height:80px;
  border:2px solid transparent;
  box-shadow:
    inset 0 0 12px #0cc, /* Inset shadow */
    0 0 12px #0cc, /* Outset shadow */
    inset -999px 0 0 transparent; /* The background color */
  border-radius:50px 50px 0px 50px;
  -moz-border-radius:50px 50px 0px 50px;
  transform:rotate(-45deg);
}
.symbol:after{
  left:auto;
  right:0;
    -moz-border-radius: 50px 50px 50px 0;
         border-radius: 50px 50px 50px 0;
  transform:rotate(45deg)
}