* {
	font-family: 'PingFang SC';
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

a {
	text-decoration: none;
	color: #fff;
}


body {
	padding: 0px;
	margin: 0px;
}

button {
	border: 0;
	background-color: #fff;
}

.pl20 {
	padding-left: 20px;
}

.pr20 {
	padding-right: 20px;
}

.flex {
	display: flex;
}