body{
	background-image: url("bg.jpg") !important;
}

.btns {
	top: 7vh;
	width: 20% !important;
	bottom: unset !important;
}
.btns .btn {
	border-radius: 4px !important;
}

/* 1. 仅xs：<576px */
@media (max-width: 575.98px) {
	.btns {
		top: 12vh;
		width: 50% !important;
		bottom: unset !important;
	}
}

/* 2. sm区间：576px ~ 767.98px */
@media (min-width: 576px) and (max-width: 767.98px) {
	.btns {
		top: 10vh;
		width: 45% !important;
		bottom: unset !important;
	}
}

/* 3. md区间：768px ~ 991.98px */
@media (min-width: 768px) and (max-width: 991.98px) {
	.btns {
		top: 10vh;
		width: 40% !important;
		bottom: unset !important;
	}
}

/* 4. lg区间：992px ~ 1199.98px */
@media (min-width: 992px) and (max-width: 1199.98px) {
	.btns {
		top: 10vh;
		width: 35% !important;
		bottom: unset !important;
	}
}

/* 5. xl区间：1200px ~ 1399.98px */
@media (min-width: 1200px) and (max-width: 1399.98px) {
	.btns {
		top: 7vh;
		width: 30% !important;
		bottom: unset !important;
	}
}

/* 6. xxl超大屏：≥1400px */
@media (min-width: 1400px) {
	.btns {
		top: 7vh;
		width: 25% !important;
		bottom: unset !important;
	}
}