Tringle on tringle arrow

gistfile1.txt

&:after, &:before {
			bottom: 100%;
			left: 74%;
			border: solid transparent;
			content: " ";
			height: 0;
			width: 0;
			position: absolute;
			pointer-events: none;
		}

		&:after {
			content:" ";
			border-color: rgba(0, 0, 0, 0);
			border-bottom-color: white;
			border-width: 20px;
			margin-left: -20px;
			z-index: 99;
		}
		&:before {
			content:" ";
			border-color: rgba(204, 204, 204, 0);
			border-bottom-color: #6ab9e3;
			border-width: 21px;
			margin-left: -21px;
		}

content: '' ;
display: block;
position: absolute;
left: 50%;
margin-left: -10px;
height: 0;
width: 0;
border-left: 10px solid transparent;
border-right: 10px solid transparent;
border-bottom: 12px solid #fff;
transition: 0.25s ease-in-out;
bottom: 100%;
top: auto ;