css 带有CSS边框的箭头

Posted 2021-05-13

.arrow-up {
	width: 0; 
	height: 0; 
	border-left: 5px solid transparent;
	border-right: 5px solid transparent;
	border-bottom: 5px solid black;
}

.arrow-down {
	width: 0; 
	height: 0; 
	border-left: 20px solid transparent;
	border-right: 20px solid transparent;
	border-top: 20px solid #f00;
}

.arrow-right {
	width: 0; 
	height: 0; 
	border-top: 30px solid transparent;
	border-bottom: 30px solid transparent;
	border-left: 30px solid green;
}

.arrow-left {
	width: 0; 
	height: 0; 
	border-top: 10px solid transparent;
	border-bottom: 10px solid transparent; 
	border-right:10px solid blue; 
}