{"name":"gist: 952895","desc":"A simple CSS trick to create a horizontally- or vertically-centered 'selected' callout triangle using zero images.","actor":"killerswan","url":"https://gist.github.com/952895","snippet":"<!DOCTYPE html>\n<html>\n  <head>","actor_gravatar":"15d216c90aee266d3988fdb87a0b1053","action":"fork"}