Here is a modified version of the example you provided, with the arrow pointing up, rather than down. Hope this helps.
DEMO: Codepen
CSS:
div.hr {
width:100%;
height: 1px;
background: #7F7F7F;
position:relative;
margin-top:15px;
}
div.hr:after {
content:'';
position: absolute;
border-style: solid;
border-width: 0 15px 15px;
border-color: #FFFFFF transparent;
display: block;
width: 0;
z-index: 1;
top: -14px;
left: 50%;
}
div.hr:before {
content:'';
position: absolute;
border-style: solid;
border-width: 0 15px 15px;
border-color: #7F7F7F transparent;
display: block;
width: 0;
z-index: 1;
top: -15px;
left: 50%;
}
HTML:
<div class="hr"></div>
0
solved
line with a arrow in between pointing up in css