:root{
	--header_height: 50px;
}

.HEADER{
	position: fixed;
	top: 0px;
	left: 0px;

	width: 100vw;
	height: var(--header_height);

	z-index: 10;

	background-color: rgba(255, 255, 255, 0.5);
	backdrop-filter: blur(1px);

	display: flex;
	flex-direction: row;
}

.HEADER > a{
	color: black;
	text-decoration: none;
}

.CONTENTS{
	margin: 10px;

	width: calc(100vw - 30px);
	height: fit-content;

	margin-top: calc(var(--header_height) + 10px);
}

.PLATE_BG{
	background-color: rgba(255, 255, 255, 0.5);
	backdrop-filter: blur(5px);
}