@charset "utf-8";

body {
	background: black;
	text-align: center;
	margin: 0px;
	padding: 0px;
	font-family: sans-serif;
	color: white;
}
.theme {
    background: #66ab78;
}
#head {
	k-background: linear-gradient(#666, #222);
	color: white;
	width: 100%;
	padding: 1vh 0;
	font-size: 5vw;
	height: 4.4vh;
	line-height: 4.4vh;
}
#main {
	background: linear-gradient(#fff, #fff);
}
#ind {
	height: 25.5vh;
	line-height: 25.5vh;
	font-size: 28vw;
	font-weight: bold;
	x-text-shadow: .2vh .2vh .2vh #999;
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	padding: 2vh 0vh;
}
.indcorrect {
	background: linear-gradient(#f22, #e60);
}
.indincorrect {
	background: linear-gradient(#22f, rgb(23, 46, 122));
}
.indclear {
	background: linear-gradient(#fd0, #e90);
}
#q {
	height: 10vh;
	font-size: 5vw;
	padding: 0.5vh;
	color: black;
}
#ans {
	padding-bottom: 1vh;
}
#ans > div {
	display: inline-block;
	width: 35vw;
	font-size: 3.5vw;
	border-radius: .5vh .5vh;
	x-border: .3vh solid black;
	height: 24vh;
	line-height: 24vh;
	padding: .2vh;
	margin: 3vh 2vh;

    background: #668ad8;
    color: #FFF;
    box-shadow: 0 0 0 1vh #668ad8;
    border: dashed .3vh #FFF;
}
#ans > .disable {
	background: gray;
	color: white;
	box-shadow: 0 0 0 1vh gray;
}
#ans > .correct {
	background: #f22;
	color: white;
	box-shadow: 0 0 0 1vh #f22;
}
#credit {
	x-background: linear-gradient(#444, #000);
	color: #ddd;
	text-align: center;
	height: 6vh;
	line-height: 3vh;
	font-size: 2vw;
	padding: 1vh;
}
#credit a {
	color: #fff !important;
	text-decoration: none;
}
/* for portrait mode */
@media (min-aspect-ratio: 3/4) {
	#head {
		font-size: 3vh;
	}
	#ind {
		font-size: 20vh;
	}
	#q {
		font-size: 4vh;
	}
	#ans > div {
		font-size: 3.5vw;
	}
	#credit {
		font-size: 2vh;
	}
}