.FreezePaneOff
{
   visibility: hidden;
   display: none;
   position: absolute;
   top: -100px;
   left: -100px;
}

.FreezePaneOn
{

   /* 元スタイル */
   /* visibility: visible;
   display: block;
   width: 100%;
   height: 100%;
   background-color: #AAA;
   z-index: 9999;
   filter:alpha(opacity=50);
   opacity:0.5;
   -moz-opacity:0.85;
  padding-top: 20%;
   position:fixed;
   top: 0px;
   left: 0px; */

   /* 透過を削除したバージョン */
   visibility: visible;
   display: block;
   width: 100%;
   height: 100%;
   background-color: rgba(170, 170, 170, 0.1);
   /* 「opacity」関連プロパティ削除 */
   z-index: 9999;
   position:fixed;
   top: 0px;
   left: 0px;
}

.InnerFreezePane
{
   /* 元スタイル */
   /* margin-top: 20%;
   text-align: center;
   width: 200px;
   background-color: #171;
   color: White;
   font-size: large;
   border: dashed 2px #111;
   padding: 9px; */

  /* JQueryのDataTablesより抜粋 */
  position: absolute;
  top: 40%;
  left: 50%;
  width: 100%;
  height: 40px;
  margin-left: -50%;
  margin-top: -25px;
  padding-top: 20px;
  text-align: center;
  font-size: 1.2em;
  color: black;
  background: -webkit-gradient(linear, left top, right top, color-stop(0%, rgba(255, 255, 255, 0)), color-stop(25%, rgba(255, 255, 255, 0.9)), color-stop(75%, rgba(255, 255, 255, 0.9)), color-stop(100%, rgba(255, 255, 255, 0)));
  background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.9) 25%, rgba(255, 255, 255, 0.9) 75%, rgba(255, 255, 255, 0) 100%);
  background: -moz-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.9) 25%, rgba(255, 255, 255, 0.9) 75%, rgba(255, 255, 255, 0) 100%);
  background: -ms-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.9) 25%, rgba(255, 255, 255, 0.9) 75%, rgba(255, 255, 255, 0) 100%);
  background: -o-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.9) 25%, rgba(255, 255, 255, 0.9) 75%, rgba(255, 255, 255, 0) 100%);
  background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.9) 25%, rgba(255, 255, 255, 0.9) 75%, rgba(255, 255, 255, 0) 100%);

}