內容垂直水平對其

<div class="list_con">
		<div class="list hea">
			Test items
		</div>
		<div class="list">
			Methylene blue <br>
			adsorption value
		</div>
		<div class="list">
			Moisture
		</div>
		<div class="list">
			Iodine adsorption
		</div>
		<div class="list">
			strength
		</div>
		<div class="list">
			Specific surface area
		</div>
		<div class="list">
			Heavy metal (iron)
		</div>
	</div>

.cb_particles .main .right .list_con .list{
	width: 175px;
	height: 45px;
	padding-left: 20px;
	font-size: 13px;
	align-items: center;
	/* justify-content: center; */
	display: flex;
}