* html .layer_board_bg,
* html .layer_board {position: absolute;}

.layer_board_bg {
	position: fixed;
	width: 100%;
	height: 100%;
	z-index: 1000;
	top: 0;
	left: 0;
	display: none;
	cursor: pointer;
	background: #000;
}

.layer_board {
	display: none;
	position: fixed;
	margin: 15px;
	text-align: center;
	z-index: 2000;
}



.btn_close{font-size: 15px; text-align:center; color:#fff; margin-bottom:10px;}


/* 閉じるマークをcssで作成 */
.css-cancel{
  display: inline-block;
  position: relative;
  margin: 0 15px 0 7px;
  padding: 0;
  width: 4px;
  height: 20px;
  background: #fff;
  transform: rotate(45deg);
  vertical-align: top;
}
.css-cancel:before{
  display: block;
  content: "";
  position: absolute;
  top: 50%;
  left: -8px;
  width: 20px;
  height: 4px;
  margin-top: -2px;
  background: #fff;
}