.ShowHide {
  overflow: hidden;
  background-color: #FFFFFF;
  color: #000000;
  padding:20px 10px;
  width: 350px;
  height: 350px;
  position: fixed;
  top: 50%;
  left: 50%;

margin-top: -175px; /* Negative half of height. */
margin-left: -175px; /* Negative half of width. */
  border-radius: 30px;
	z-index: 999;
}
#left-sp {
/*   overflow: hidden; */
  text-align: center;
  height: 20px;
}
#right-sp {
  float: right;
  width: 30px;
  height: 20px;
  text-align: center;
position: absolute;
  right: 1px;
  top: 7px;
}
.ShowHide a {
   color: #000000;
   text-decoration: none;
}
.ShowHide a:hover {
   text-decoration:none;
  color: red;
}