* {
		margin: 0%;
		padding: 0;
		/* box-sizing: border-box; */
	}

	.flex {
		display: flex;
		align-items: center;
		justify-content: space-between;
	}

	.flex-column {
		flex-direction: column;
	}

	.flex-wrap {
		flex-wrap: wrap;
	}

	.flex-center {
		align-items: center;
		justify-content: center;
	}

	.flex-grow {
		flex-grow: 1;
	}

	.flex-column {
		flex-direction: column;
	}

	.flex-shrink {
		flex-shrink: 0;
	}

	.flex-start {
		justify-content: flex-start
	}
	.flex-content{
		justify-content: space-around;
	}

	.relative {
		position: relative;
		z-index: 99999 !important;
	}
	/* 字体宋体 */
	.font-family{
		font-family: 宋体;
	}
	ul {
		list-style: none;
	}

	html {
		color: #fff;
		background-color: #fff;
	}

	img {
		width: 100%;
		height: 100%;
	}