tr {
	background-color: #dcdddd;
}

td {
	border: solid 1px #a7a7a7;
	text-align: center;
	padding: 4px;
	font-size: min(3.2vw, 18px);
	line-height: min(3.2vw, 18px);
	width: 25%;
}

tr:nth-child(n+2) {
	td:nth-child(n+2) {
		background-color: white;
	}
}

.oxygen-option-1 {
	font-size: min(3.2vw, 18px);
	line-height: min(3.2vw, 18px);
	font-weight: 500;

	>div {
		>div:nth-child(1)::before {
			content: '★';
			padding: 5px;
		}

		>div:nth-child(2) {
			margin-top: min(8vw, 45px);
			font-weight: bold;
		}
	}

}

.zinc-air-battery {
	position: relative;
	width: 30%;

	img {
		position: absolute;
		right: 0;
		bottom: 0;
	}
}

.oxygen-option-2 {
	background-color: white;
	border: solid 1px;
	font-size: min(3.2vw, 18px);
	font-weight: 700;
	/* line-height: min(3.2vw, 18px); */
	line-height: min(4.3vw, 24px);
	margin-bottom: 10px;
	padding: min(2.2vw, 12px);

	span {
		font-size: min(4.3vw, 24px);
	}
}

.ultrasonic-option-1 {
	font-weight: 500;
	font-size: min(3.2vw, 18px);
	line-height: min(3.2vw, 18px);

	>*:nth-child(n+2) {
		margin-top: 10px;
	}

	>div:nth-child(1)::before {
		content: '★';
		padding: 5px;
	}

	>div:nth-child(3) {
		font-weight: bold;

		>div:nth-child(3) {
			padding-left: 50%;
		}

		>div:nth-child(4) {
			font-weight: 500;
		}

		>div:nth-child(4)::before {
			content: '★';
			padding: 5px;
		}
	}

	img {
		width: 60%;
		margin: auto;
	}
}

.sensor-connecting-cable {
	position: relative;
	width: 30%;

	img {
		position: absolute;
		right: 0;
		bottom: 0;
	}
}