css: triangle

triangle.css

/* Triangle */


.arrow-up {
	width:0px; 
	height:0px; 
	border-left:5px solid transparent;  /* left arrow slant */ 
	border-right:5px solid transparent; /* right arrow slant */ 
	border-bottom:5px solid #2f2f2f; /* bottom, add background color here */ 
	margin:0 auto; /* centers the arrow within the parent container */ 
	font-size:0px;
	line-height:0px;
}