/* html{box-sizing:border-box} */
*, *:before, *:after {
	box-sizing: inherit
}

html {
	-ms-text-size-adjust: 100%;
	-webkit-text-size-adjust: 100%
}

html {
	overflow-x: hidden
}

html, body {
	font-family: Trebuchet MS, system-ui, -apple-system, BlinkMacSystemFont,
		Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif,
		Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
	font-size: 15px;
	background-color: rgba(10, 25, 47, 0.95);
	color: white;
	height: 100%;
	margin: 0;
}

main {
	/* make sure to cover the screen */
	min-height: 100vh;
	/* put on top */
	position: relative;
	z-index: 1;
}

@media ( min-width : 768px) {
	.v_body {
		max-width: 1200px;
		margin: auto;
		padding: 50px 30px;
	}
}

@media ( max-width : 767px) {
	.v_body {
		margin: auto;
		padding: 50px 15px;
	}
}

.v_main {
	margin: 50px auto;
	text-align: justify;
	line-height: 2.0;
	max-width: 1024px;
	padding: 0 20px;
}

.v_body>.v_intro:first-child {
	margin-top: 0;
}

.gray-bg {
	background-color: #222;
}

.w3-button {
	padding: 16px;
}

.w3-display-container {
	position: relative
}