@charset "utf-8";
/* CSS Document */

/*body {background: #f7f7f7}*/
a{color:#5a5a5a;text-decoration:none}

.father{
	height: 100%;
	text-align: center;
}

.bd-placeholder-img {
	font-size: 1.125rem;
	text-anchor: middle;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
}

@media (min-width: 768px) {
	.bd-placeholder-img-lg {
		font-size: 3.5rem;
	}
	.media_someabc_mobile
	{
		display: none;
	}
	.media_someabc_pc
	{
		display: block;
	}
}

@media (max-width: 768px) {
	.media_someabc_mobile
	{
		display: block;
	}
	.media_someabc_pc
	{
		display: none;
	}
}

.b-example-divider {
	height: 3rem;
	background-color: rgba(0, 0, 0, .1);
	border: solid rgba(0, 0, 0, .15);
	border-width: 1px 0;
	box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.b-example-vr {
	flex-shrink: 0;
	width: 1.5rem;
	height: 100vh;
}

.bi {
	vertical-align: -.125em;
	fill: currentColor;
}

.nav-scroller {
	position: relative;
	z-index: 2;
	height: 2.75rem;
	overflow-y: hidden;
}

.nav-scroller .nav {
	display: flex;
	flex-wrap: nowrap;
	padding-bottom: 1rem;
	margin-top: -1px;
	overflow-x: auto;
	text-align: center;
	white-space: nowrap;
	-webkit-overflow-scrolling: touch;
}