body {
	margin: 0;
	text-align: center;
	background-color: #5CB1D6; /*#808080;*/
	/*background: url("box.png");*/
	box-sizing: border-box;
	font-family: Arial, Helvetica, sans-serif;
}

.container {
	overflow: hidden;
	position: fixed;
	z-index: -1;
}

.sliding-background {
	background: url("box.png") repeat;
	height: calc(100vh + 48px);
	width: calc(100vw + 480px);
	animation: slide 30s linear infinite;
}

.middle {
	display: inline-block;
	text-align: left;
	max-width: 600px;
	padding: 5px 30px;
	background-color: #ffffff;
	box-shadow: 0px 0px 10px #00000030;
	border-left: 1px solid #aaaaaa;
	border-right: 1px solid #aaaaaa;
}

.title {
	font-size: 48px;
	text-align: center;
	margin: 10px 0;
}

@keyframes slide {
	0% {
		transform: translate3d(0, 0, 0);
	}
	100% {
		transform: translate3d(-480px, -48px, 0);
	}
}

.content {
	display: block;
}

.content-focus {
	background-color: #ffcc00;
	padding: 10px;
	margin: -10px;
	border-radius: 10px;
}

.a-focus {
	background-color: #ffcc00;
	padding: 2px;
	margin: -2px;
	border-radius: 2px;
}

.project-frame {
	width: 240px;
	margin: 4px;
}
.project-image-a {
	display: block;
	width: 240px;
	height: 180px;
}
.project-image {
	width: 240px;
	height: 180px;
}
.project-title {
	margin: 4px;
}
.project-description {
	margin: 4px;
}
.project-list {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: center;
}

.extension-frame {
	width: 240px;
	margin: 4px;
}
.extension-image-a {
	display: block;
	width: 240px;
	height: 120px;
}
.extension-image {
	width: 240px;
	height: 120px;
}
.extension-title {
	margin: 4px;
}
.extension-description {
	margin: 4px;
}
.extension-list {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: center;
}
.js-file {
	font-size: small;
}