@charset "utf-8";
/* CSS Document */
#vortex {
  width: 600px;
  height: 300px;
  position: relative;
	margin:100px 300px;
}
.link_box {
  width: 50px;
  height: 50px;
  border: solid 2px black;
  border-radius: 50px;
	text-align:center;
  position:relative;
}
.link_box a {
	  position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    text-indent:-999px;
}
#red{
	background-color:red;
}
#blue{
	background-color:blue;
}
#yellow{
	background-color:yellow;
}
#green{
	background-color:green;
}
#orange{
	background-color:orange;
}