body {
	font-family:"ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	background-color: #eeeeee;
	margin: 0;
	color:#333;
	height: 100%;
} 
.btn1 {
	color: #fff;
	background-color: #3399FF;
	border-radius: 100vh;
	padding: 10px;
	overflow: auto;
	border: 4px solid #FFFFFF;
	border-radius: 5px;
	box-shadow: 2px 2px 2px 2px #666;
	margin: 0 5px 10px 0;
	width: 220px;
	height: 80px;
	font-size: 16px;
	font-weight: bold;}
.btn1:hover {
	color: #fff;
	background-color: #66CCFF;
}
.btn2 {
	color: #fff;
	background-color: #FF6699;
	border-radius: 100vh;
	padding: 10px;
	overflow: auto;
	border: 4px solid #FFFFFF;
	border-radius: 5px;
	box-shadow: 2px 2px 2px 2px #666;
	margin: 0 5px 10px 0;
	width: 220px;
	height: 80px;
	font-size: 16px;
	font-weight: bold;}
.btn2:hover {
	color: #fff;
	background-color: #
	;
}
.btn0 {
	color: #fff;
	background-color: #CCCCCC;
	border-radius: 100vh;
	padding: 10px;
	overflow: auto;
	border: 4px solid #FFFFFF;
	border-radius: 5px;
	box-shadow: 2px 2px 2px 2px #666;
	margin: 0 5px 10px 0;
	width: 220px;
	height: 80px;
	font-size: 16px;
	font-weight: bold;}
.btn0:hover {
	color: #fff;
	background-color: #666666;
}
.invisible {
	display: none;
}